Search

*Disclaimer: Tossions earns a commission from qualifying purchases.

The 8 Best carbon fiber case for s10e of 2025

Are you trying to find carbon fiber case for s10e among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling carbon fiber case for s10e on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 69 carbon fiber case for s10e tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best carbon fiber case for s10e you can buy today

SaleNo. 1
JETech Slim Fit Case for Samsung Galaxy S10e, Thin Phone Cover with Shock-Absorption and Carbon Fiber Design (Black)
  • Design with carbon fiber textures for Samsung Galaxy S10e 5.8 Inch. NOTE: Not for Galaxy S10/ S10 Plus
  • Flexible TPU case with inerior honeycomb pattern&raised lip of 1.2 mm protects screen
  • Unique shock-absorption design: 4 corners effectively absorb shocks
  • Tactile buttons for solid feedback and an easy press
  • Package Includes: Samsung Galaxy S10e Case*1, customer service card
SaleNo. 2
Spigen Rugged Armor Designed for Samsung Galaxy S10e Case (2019) - Matte Black
  • Designed to optimize wireless charging capability
  • Flexible TPU case with interior spider-web pattern & raised lip to protects the screen.
  • Air Cushion Technology for shock absorption
  • Tactile buttons for solid feedback and an easy press
  • Galaxy S10e Case Compatible with Samsung Galaxy S10e
No. 3
Qiinogow Case Compatible with Samsung Galaxy S10e, Slim Fit Phone Cover with Shock-Absorption, Carbon Fiber TPU Rubber Protective Case, Black
  • [Innovative Design] High quality finely carved carbon fiber, both top and bottom. The simple design becomes not simple even after the exquisite process treatment. Show high quality.
  • [Slim Fit] Soft and slim design, tailored for your beloved phone. 1.8mm thickness, enough to protect the phone while maintaining a comfortable feel.Loading and unloading without leaving scratches.
  • [Anti Fingerprint] Micro matte brushed texture, good hand feel without leaving fingerprints. The back panel is brushed with wire technology, providing a better texture for the phone case.
  • [Shock Absorption] Strong anti-drop and anti-shock, TPU soft rubber anti-drop material. The use of environmentally friendly TPU raw materials one injection molding, built-in anti-drop airbag slot, effective anti-drop.
  • [Good Heat Dissipation] Fine cooling slots to give you a better cooling experience. Then achieve a more refined appearance of the interior while strengthening the cooling effect, a better experience
No. 4
Vultic Carbon Fiber Case for Samsung Galaxy S10e, Durable [Shock Absorption] Slim TPU Matte Lightweight Bumper Cover (Grey)
  • [Compatibility]: Exclusively designed for the Samsung Galaxy S10e
  • Premium rugged look with carbon fiber textures and matte finish
  • Exact fit ensures protection, a thin profile and anti-slip grip
  • Flexible TPU layer that is fingerprint-resistant
  • Certified anti-shock protection and Air Cushion Technology
No. 5
EUAGVQY for Samsung S10E Galaxy S10E Case Carbon Fiber Soft TPU Anti-Slip Durable Lightweight Protective Phone Cover for Samsung Galaxy S10E(Blue)
  • Stylish Simplicity meets Modern Aesthetics: With its sleek and minimalistic design, EUAGVQY perfectly combines functionality with contemporary aesthetics, allowing your device to stand out and make a bold statement. Elevate your style with this premium accessory.Perfect Fit for Samsung Galaxy S10E
  • Premium Carbon Fiber Material: Crafted with high-quality carbon fiber material, EUAGVQY offers enhanced durability and a lightweight design, providing optimal strength and longevity for long-term use.
  • Superior Slip Resistance and Wear-resistant: Designed with a special anti-slip texture, EUAGVQY ensures a secure grip and prevents accidental slips even during intense activities. The wear-resistant feature guarantees a longer lifespan, maintaining its sleek appearance over time.
  • Unparalleled Comfort with Supreme Ergonomics: The ergonomic design of EUAGVQY provides an exceptional level of comfort, ensuring a fatigue-free experience even during extended periods of usage. Its ultra-smooth surface and seamless edges provide a luxurious touch.
  • Precision Engineered with Precise Cutouts: Every detail of EUAGVQY is meticulously crafted, featuring accurate cutouts that perfectly align with your device's buttons, ports, and camera. The precise cutouts allow for easy access and hassle-free functionality.
No. 6
MuZiFei for Galaxy S10E Ring Case,Clear Crystal Carbon Fiber Design Anti-Scratch Case with 360 Degree Rotation Ring Kickstand(Work with Magnetic Car Mount) for Samsung Galaxy S10E,Black
  • Galaxy S10E Clear Case: ONLY fit for Samsung Galaxy S10E 5.8 inch - Compatible with most 3rd-party screen protectors and other accessories.
  • 【For Galaxy S10E case with ring holder】 The rotatable kickstand ring Built-in 360 degree + 180-degree adjustable ring holder two-dimension rotation swivels for personalized comfort hands-free use and versatility. (Could not work with wireless chager).
  • 【Compatible Magnetic Car Mount】Inside the center of the holder ring there is a piece of hidden iron that allows the Samsung Galaxy S10E Case to be attached to the magnetic car holder. Tips (Magnetic car mount holder is NOT included.)
  • 【Microfiber Lining & Electroplating Craft】The inside of the case is lined with soft microfiber, which will keeps the back of your phone scratch free, Soft electroplated silicone frame + metal ring stand increase the metal texture for your Samsung Galaxy S10E
  • [ Precise Cut ] The protective case specially designed for Samsung Galaxy S10E, precious cutouts for speakers, camera, charging ports and other button. Perfect as a gift for your daughter, granddaughter, girlfriend, wife, friends on her birthday or holiday.
No. 7
Gufuwo Case for Galaxy S10e Case, Samsung S10E SM-G970U Case, Slim Thin Carbon Fiber Phone Case TPU Soft Back Cases Anti-Scratch Shockproof Protective Cover for Samsung Galaxy S10e Black
  • Compatible with Samsung Galaxy S10e 5.8" SM-G970F SM-G970U SM-G970W SM-G9700 SM-G970U1 SM-G970N SM-G970X
  • Galaxy S10e Carbon Fiber Case, Brushed Craftsmanship - Brushed texture, not only feels comfortable, but also doest not leave sweaty fingerprint ; frosted design is easy to hold and anti-slippery
  • Galaxy S10E TPU Case, SHOCK PROOF - Made of high quality, flexible TPU material, this case works with air-cushion on each corner and affects anti shock, drop resistance, and anti smash. This stylish design is a classic and should never be out of date.
  • Cell Phone Case for Samsung S10E, Fine Cooling Grooves - The inside of the phone case adopt the diamond inner groove design , which not only achieve the inside appearance , but also enhance the colling effect. The minimalist case is high quality, thin, fits well, feels good in the hand (not slippery).
  • Galaxy S10e case for girls Man, Precise Cutouts - Phone case carbon fiber adopts a special cutting design that perfectly fits your phone, allowing you to operate every button more conveniently and restore your phone's original response speed.The raised camera lens design provides additional protection, avoiding scratches to the camera lens
No. 8
CasesOnDeck Camo Case Compatible with Samsung Galaxy S10 Lite / S10e Case (5.8"), Carbon Fiber Texture Slim Fitted Matte Cover with Design(Tree Camo)
  • Slim Fitted TPU Case for [Samsung Galaxy S10 Lite / Samsung Galaxy S10e (2019)] , not compatible with any other devices. Please double check your phone model is one of the ones listed as compatible.
  • Stylish, functional and protective cover case with fashion color combinations; Premium TPU Case, Matte Finish and Accented Carbon Fiber Design Molded into the TPU Case. Unique Printed Designs for a finished product
  • Durable lightweight design and corner cushion protection against occasional drops.
  • Slightly textured cover for enhanced grip and increased shock absorption
  • Precise cutouts perfectly align with all buttons, controls, and ports. Allows easy access to the camera, speakers, microphone, and charging port without having to remove the case
SaleNo. 9
JETech Slim Fit Case for Samsung Galaxy S10, Thin Phone Cover with Shock-Absorption and Carbon Fiber Design (Blue)
  • Design with carbon fiber textures for Samsung Galaxy S10 6.1 Inch. NOTE: Not for Galaxy S10e/ S10 Plus
  • Flexible TPU case with inerior honeycomb pattern&raised lip of 1.2 mm protects screen
  • Unique shock-absorption design: 4 corners effectively absorb shocks
  • Tactile buttons for solid feedback and an easy press
  • Package Includes: Samsung Galaxy S10 Case*1, customer service card
No. 10
CasesonDeck Orange Case Compatible with [Samsung Galaxy S10e | S10 Lite (5.8" Screen)] Hunters Series Slim No Bulk Carbon Fiber Texture Black Flexible TPU Material (Orange Hunters Camo)
  • Slim Fitted TPU Case for [Samsung Galaxy S10e | S20 Lite (5.8" Screen Only)] , not compatible with any other devices. Please double check your phone model is one of the ones listed as compatible.
  • Camo Series - Stylish, functional and protective cover case with fashion color combinations; Premium TPU Case, Matte Finish and Accented Carbon Fiber Design Molded into the TPU Case. Unique Printed Designs for a finished product
  • Durable lightweight design and corner cushion protection against occasional drops.
  • Slightly textured cover for enhanced grip and increased shock absorption
  • Precise cutouts perfectly align with all buttons, controls, and ports. Allows easy access to the camera, speakers, microphone, and charging port without having to remove the case
No. 11
Speck Products Presidio Grip Samsung S10E Case, Eclipse Blue/Carbon Black
  • 10-foot drop-protection with IMPACTIUM shock barrier
  • Durable, polycarbonate outer shell to an inside layer of IMPACTIUM cushioning to provide two layers of protection
  • Angled raised ridges on the back provide a secure no-slip grip and help prevent phone from sliding off surfaces
  • Designed to allow for Qi wireless charging
  • Speck backs each Presidio GRIP case with a lifetime warranty
No. 12
GiiYoon Silicone Case Compatible with Samsung Galaxy S10e, Full Body Silky Soft Touch Phone Case with Camera Protection, Shockproof Cover with Microfiber Lining, Black
  • [Innovative Design] New design with color matching, camera with 360 degree protection. No fingerprint, scratch-resistant, skin-touch design.
  • [Full Protection] The case envelops the whole phone, including the bottom and buttons, and the camera on the back. The edge of the screen is 1mm high, effectively protecting the phone from all kinds of damage.
  • [High Quality Material] Made of high quality silicone material.Silky soft touch and good grip, The soft microfiber lining on the inside keeps the back of your phone scratch-free
  • [User-friendly] The soft silicone makes it easy to apply the case to the phone. Easy to clean, just wipe and it is like new
  • [Premium Service] We provide professional and pleasant customer service 24 hours a day. If you have any questions about the products, please contact us first, the best solution and service provided.
No. 13
E Segoi Designed for Galaxy S10e Case, Liquid Silicone Gel Rubber Shockproof Case Soft Microfiber Cloth Lining Cushion Compatible with Galaxy S10E (ONLY) 5.8 inch - Light Blue
  • SPECIAL DESIGN - Designed with Galaxy S10e in mind, E Segoi case follows its every line and the form of the liquid S10e silicone case fits snugly over the volume buttons, Sleep/Wake button, and curves of your device. (NOT compatible with S10 / S10 PLUS / S10 5G models)
  • FULL BODY PROTECTION CASE - Unlike the Original Case, this case is upgraded to be full body protective and remains slim.
  • ELEGANT AND STYLISH - The premium Galaxy S10e rubber case stands out and bestows confidence and aesthetic taste to its master. This liquid silicone case is very easy to wipe off dust and dirt that keeps clean and dry condition.
  • SOFT-TOUCH FINISH - The silky, soft-touch finish of the silicone exterior feels great, It won't feel bulky. Supports Wireless Charging, you don't need to take off your S10e case even when you're chargeing S10E, and It fits all most charging cable.
  • PRODUCT WARRANTY - We offer all E Segoi products with 30-day money back guarantee and 6-month warranty, if there is any issue about the case please conact with us first.
No. 14
LeYi for Galaxy-S10e-Case: Samsung Galaxy S10e Case with 2 Pack Camera Lens Protector, Military-Grade Heavy Duty Phone Cover Case with Metal Magnetic Ring Stand for Samsung S10e, Black
  • Compatible With: Specially designed for Samsung Galaxy S10E. Package includes 2pcs Camera Lens protector
  • Military Grade Drop Protection: Double combination of soft TPU frame and anti-scratch hard PC back achieves military grade drop protection. Perfectly passed thousands of high altitude drop tests to ensure forceful protection after an accidental drop
  • Extra Screen and Camera Protection: Subtly enhanced 2mm lifted bezel on screen and camera lens can prevent daily scratches when you put cellphone face down. Ensuring every aspect of your phone is protected with uniquely
  • Built in Metal Kickstand: Built in kickstand gives you the convenience to watch videos and movies hands-free with desired comfort and stability. Additional, magnetic stand can be directly stably attached to the magnetic car phone mount. You will love how convenient it is with such powerful functions
  • Perfect Fit: All buttons and interface user-friendly design to avoid frequent disassembly. And the case perfect cutouts for speakers, camera and charging hole allow you to easy access to all features. And easy to install, just followed the directions had it done in no time
No. 15
RegSun for Galaxy S10E Case,Shockproof 3-Layer Full Body Protection [Without Screen Protector] Rugged Heavy Duty High Impact Hard Cover Case for Samsung Galaxy S10E,Black
  • Compatibility: Compatible with Samsung Galaxy S10E,Please note that this case without a built-in or sperate screen protector.
  • Precision Design: Amazing detachable 3 in 1 design,Hard plastic inner and soft rubber silicone outer construction absorbs shock and drop, plus raised beveled edge keeps your touchscreen safe
  • Full Protection: Drop protection, scratch and dust protection, shockproof protect your phone from drops, dirty and daily adventures.With this case,your new phone could survive from any fall.
  • Screen & Camera Protection: Featuring with Raised front edge lips and lens lips, the smart phone case cover offers strong protection for your phone screen & camera lens when fell down and in everyday wear.
  • Used for outdoor activities, travelling drop proof, shockproof, dustproof, especially four reinforced corner provide extremely strong protection
No. 16
ABITKU Galaxy S10e Case Silicone, Slim Liquid Silicone Gel Rubber Shockproof Case Soft Microfiber Cloth Lining Cushion Compatible with Samsung Galaxy S10e 5.8 inch 2019 (Lavender Gray)
  • [Galaxy S10e Case Full Body Protection] : 360 Protection comes first. Liquid silicone provides shock protection,Third layer of microfibre cushion protects your phone from frictions.
  • [ Soft and Stylish ]: Full body Galaxy S10 Lite Slim Case surface is specially treated to ensure silky smooth touch. Inner cushion is almost like a soft blanket because of microfibres, feeling good from inside to outside.We offer variety of colours for you to choose for your style.
  • [Easy to Clean]: Any stain that gets on the case wipes off easily with a damp rag. keep your Galaxy S10 Lite Phone Case always in clean status.
  • [Screen and Camera Protection]: Edge lip to protect your screen from directly contacting surfaces. 0.5mm higher than carera,Dustproof scratch resistant.
  • [Quality Warranty】30-day refund or free replace if defective or any quality problems, 18 months friendly customer service.
No. 17
IDYStar for Galaxy S10E Case with Screen Protector,for Galaxy S10E Cover,Shockproof Drop Test Case with Car Mount Kickstand Lightweight Protective Cover for Galaxy S10E,Black
  • Compatible with: The case is designed for Samsung for Galaxy S10E
  • Metal Kickstand with Car Mount: The Metal kickstand can be used with the car magnetic bracket,which makes it easier and more convenient to take the phone; When you are making a call,you can insert your finger into the ring to prevent the phone from accidentally falling and bring you more security
  • Camera and Screen Protect: The case is 0.3mm Raised bezel for screen and lens which can protect your phone screen and camera from scratching when placed it down
  • Precise Cutout: All buttons and interface user-friendly design to avoid frequent disassembly. It's easy access to all features and convenient for charging your phone without take off the case
  • Every case package come with 1 pieces high quality tempered glass screen protector,which give your phone a more comprehensive protection
No. 18
for Samsung Galaxy S10e Case with [2 Pack] Tempered Glass Screen Protector, Galaxy S10e Heavy Duty Armor [Military-Grade] Protective,with Magnetic Kickstand Car Mount Holder Phone Case Black
  • 【Compatible With】Specially designed for Samsung Galaxy S10E【Not fit S10】 . Please confirm your phone model before buying, Please feel free to contact us if you have any questions. ( Attention: Not Support Wireless Charging ! !)
  • 【Ugraded 360° Full Body Protection】This phone case is made of anti-scratch hard rigid PC bumper and shock resistance soft TPU, Military-Grade Protection with Air-Cushion Technology for all corners and the raised TPU bezel design, provide all around double protection of your phone from drops, scratches and bumps.
  • 【360° Rotable Magnetic Kickstand】 Metal kickstand can rotate 360°, easy to rotate and sturdy on the case. Built in kickstand gives you the convenience to watch videos and movies hands-free with desired comfort and stability. Built-in metal magnetic sheet which can be directly adsorbed stably to the magnetic car mount holder. ( Not includes the magnetic car mount holder !)
  • 【PRECISE CUTOUT】Raised screen edge and raised camera edge provide extra protection for your phone. All buttons and interface user-friendly design to avoid frequent disassembly. And the case perfect cutouts for speakers, camera and charging hole allow you to easy access to all features and convenient for charging your phone without take off the case.
  • 【Tempered Glass Screen Protector】With 2 pack screen protector,HD clear scratch resistant tempered glass[9H Hardness]. No need to buy the screen protector.
No. 19
for Samsung Galaxy S10e Case with HD Screen Protectors, Military-Grade Metal Ring Holder Kickstand 15ft Drop Tested Shockproof Cover Case for Samsung Galaxy S10e (2019) Black
  • 【1 Phone Case and 2 Screen Protectors】Tailor-designed for Samsung Galaxy S10e
  • 【Strong Protection】Combination of TPU and Polycarbonate with reinforced corners for military-grade protection from drops and bumps. Raised bezels provide extra protection to the screen and camera.
  • 【Precise Cutouts】Easy access to buttons, speaker, charging port and all other funcioning ports of Samsung Galaxy S10e
  • 【Metal Ring Holder and Stand】The metal ring is a great plus under multiple scenarios when it works as a holder, bracket or kickstand. The built-in metal sheet allows for easy attach to your magnetic car mount holder
  • 【Sleek Compact Profile】The phone case is made from selected lightweight non-slip material to ensure a slim and tough protection with enhanced grip.
No. 20
oakxco Designed for Samsung Galaxy S10e Phone Case Liquid Silicone Grip, Cute Thin Slim Soft Rubber TPU Plain Smooth Gel Cover for Women Girl Aesthetic, Matte Solid Protective & Shockproof, Black
  • ✅ Only compatible with Samsung Galaxy S10e 5.8 inch (2019 New Released). Package: 1pc S10e Case without screen protector. (Phone Model Number: SM-G970F, SM-G970U, SM-G970W, SM-G9700, SM-G970U1, SM-G970N, SM-G970X)
  • 👍 NATURE & DURABLE silicone gel material, easy to clean, Anti Scratch matte surface anti fingerprint & dust proof & Smudge Free.
  • 👍 Baby Skin-like Soft Touch, smooth rubber grip, anti-slip, non-slip design. Military Grade Hybrid Sturdy dual layer (2.0mm Thick Flexible Silicone & Microfiber lining) provide 360 degree heavy duty strong drop protection.
  • 👍 360 Full Body Cover ( Enhanced Camera Lens Cover & Protection), raised edge bezel provide screen & camera protection. Lightweight Thin Body support Wireless Charging (Not compaitble with Magsafe). Sensitive buttons with precise cutouts.
  • 👍 Official & Basic Design, Simple but Unique, Climate Friendly Recyclable Materials, Multi-colors for choice, suitable for women girls elegant ladies men boys friends teenage kids youth as a gift.

How to choose a good carbon fiber case for s10e

Does the idea of finding a fantastic carbon fiber case for s10e make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in carbon fiber case for s10e. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top carbon fiber case for s10e products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top carbon fiber case for s10e on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top carbon fiber case for s10e brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top carbon fiber case for s10e based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the carbon fiber case for s10e were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good carbon fiber case for s10e, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your carbon fiber case for s10e.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting carbon fiber case for s10e for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our carbon fiber case for s10e. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what carbon fiber case for s10e should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on carbon fiber case for s10e.