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KARB - Phone Case with Carbon Fiber Look
+ Add MagSafe and personalization
The KARB material looks like carbon fiber and feels solid — it doesn’t pick up shiny fingerprints, doesn’t scratch under normal use, and sits comfortably in your hand. The bamboo-fiber-based surface resembles real carbon fiber from different angles. Add your own logo or image, choose MagSafe-compatible — and the phone case is ready with no compromises.
Nordic craftsmanship since 2011
Free shipping available
180-day warranty
Made to order in 2–10 days and delivered using your chosen shipping method in 2–5 business days.
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KARB – carbon fiber-look phone cases & protective cases
bamboo fiber, MagSafe, and your own logo – iPhone, Samsung, OnePlus, Pixel, Nothing
The carbon fiber look without the carbon fiber price – and without carrying around a piece of the aerospace industry. KARB is a carbon fiber-look phone case with a bamboo fiber base: a light, grippy, technical-looking alternative to a standard plastic case. The surface plays with light like real carbon, but half of it is bamboo – a plant that grows a meter a day. Fits iPhone 17, 16, 15, 14, 13, Samsung Galaxy, OnePlus, Google Pixel, and Nothing models. Add MagSafe, your own logo or image, and make your KARB case yours.
Choose your phone model, MagSafe compatibility, and if you like, your own logo or car brand. KARB is made for car enthusiasts, tech fans, and motorsport-inspired taste – and for companies that want phone cases with a logo without the result looking like a trade show giveaway. Available for iPhone, Samsung, OnePlus, Google Pixel, and Nothing models.
Whether you’re looking for carbon fiber phone cases, carbon Case, MagSafe Case, or phone cases with a logo, KARB meets the same need – including iPhone, Samsung, OnePlus, Pixel, and Nothing Phone. Company cases with logo →
Material: bamboo fiber composite – carbon fiber look
- Bamboo fiber composite – 50% natural bamboo. Carbon fiber phone cases with a lighter, more natural structure – without the price of real carbon fiber.
- Textured carbon fiber look – the weave shifts shade depending on the angle you view it from. Most people think it’s real carbon fiber, and we don’t always correct them.
- Lastu’s best grip surface – no slipping, no stickiness. Works in the cold, while driving, outdoors, and with gloves on.
Bamboo is a fast-renewing natural material – carbon Case that reduce the need for plastic without compromising the technical look. Read the story of KARB →
Structure and protection
Customize yours. See the live preview.
Technical look. More natural structure.
KARB combines two things you rarely get in the same Case: carbon fiber phone cases aesthetics and a bamboo-fiber-based structure. Phone model, logo, car brand, your own emblem and MagSafe selection appear in real time in the live preview before you order. MagSafe and your own logo →
MagSafe – snap on and go
MagSafe compatibility can be selected directly on the product page. The magnetic ring aligns the charger and add-ons securely – wireless charging, stand and accessories without removing the phone case.
Fits perfectly with these
- KRIP 2.0 MagSafe finger grip – slim, metal. Adds grip and also works as a stand.
- KARB MagSafe wallet – space for up to 4 cards. Same KARB look, different product.
What is MagSafe?
Materials & ecology
Bamboo fiber composite – 50% natural bamboo. Textured carbon-look with a lighter, more natural structure than real carbon fiber.
Bamboo is a fast-renewing natural material. It reduces the need for plastic without compromising the user experience, grip, or technical look.
Design From Finland · FSC · PlasticBank
Why choose KARB?
- ✓Carbon-look phone cases – bamboo fiber composite, not a regular plastic case
- ✓Lastu’s best grip – works in the cold, while driving, outdoors, and with gloves on
- ✓Logo with UV marking – car badge, company logo, club, band, or your own mark
- ✓Raised edge and camera frame – better protection for the screen and lens
- ✓MagSafe-compatible option available on the product page
- ✓Nordic manufacturing – made to order in Oulu
- ✓Fits: iPhone, Samsung, OnePlus, Google Pixel, Nothing
Car enthusiasts. Tech fans. Carbon fiber lovers.
Create your own KARB Case. Complete the setup with MagSafe add-ons:
The product is made to order in 2–10 days and delivered with your chosen shipping method in 2–5 business days. Free shipping available. You’ll see delivery times at checkout.
Read more: blogs and guides
KARB – carbon-look phone cases with your own logo and MagSafe
ProtectionDrop protection and thickness – Lastu Case tested
MagSafeMagSafe + personalized phone case – the best combo
With logoPhone cases with a logo – for companies, bands, or clubs
GuideBest phone cases 2026 – buyer’s guide
Add-onsKRIP 2.0 MagSafe finger grip
MagSafeCan the MagSafe magnet damage bank cards?
Compatible phone models
KARB carbon-look phone cases are made to fit your chosen phone model. Select your model from the product page menu → the live preview updates in real time when you change the model, logo, or MagSafe option.
iPhoneSelect your own phone model from the menu on the product page. Availability varies by model, and the live preview shows your choices before you order.
Find more Lastu styles:
Technical back, protected screen
KARB brings the technical, deep texture of carbon fiber to the back of your phone. Let the screen stay sharp and bright too: LEKA screen protector is a laser-cut protective film – feels like glass, but won’t crack like tempered glass.
- +Precision-fit screen protector – a protective film laser-cut exactly for your phone model (iPhone, Samsung, OnePlus, Pixel). Not a ready-made shelf product, but made to order for you.
- +Nano PET, not tempered glass – flexes and won’t crack during installation like tempered glass. No scratches, no yellowing, full touch accuracy.
- +2 pcs / €14.90 – two screen protector films for the price of one tempered glass protector. Keep the second as a spare.
Frequently asked questions
Is KARB real carbon fiber — or is it the better option?
What’s the best carbon-fiber-look phone case in the Nordics?
Can I add my company logo or car brand to the KARB phone case?
Which phone models does KARB fit, and does it work with MagSafe?
Feel free to ask us anything — we usually reply on weekdays within 24 hours. Every Lastu phone case is handcrafted to order in Oulu.
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Delivery and production time
Your phone case is made only after you place your order. Production time is 2–10 days, with delivery after that taking 2–5 business days.
Within the Nordic region: letter delivery to your mailbox without tracking €2.00 — free on orders over €19. Small parcel to your door via Posti €4.90, or pickup from a Posti pickup point; these delivery options include tracking.
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Customer service
The fastest way to reach us is via Facebook Messenger or Instagram direct message. For orders, claims, and other official matters, email at info@lastu.co is the best channel.
We usually reply within 24 hours on weekdays. During busy production periods, our response may take a little longer, as the whole team is hands-on with making your cases. View all contact details
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Frequently Asked Questions
We’ve gathered answers to the most common questions: choosing your phone model, materials, engraving, MagSafe, and caring for your phone case.
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Returns and Right of Return
Our products have a 14-day return policy. Please contact customer service before sending a return.
Personalized products — such as Case ordered with your own image, logo, or engraving — are not eligible for return or exchange under the Consumer Protection Act.
Return address: Droplet Hitech Design Oy, Nahkatehtaankatu 2, 90130 Oulu.
Us vs. the rest
Why Lastu?
The world is full of plastic phone cases. We do things differently: genuine Nordic birch, camouflage fabric, and other fascinating handcrafted materials, made to your choices. Preview the final result before you order.
Nature and technology meet
What our customers say
Blogs
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The iPhone 18 Pro and 18 Pro Max just got their own Lastu cases – available to order now. Wooden cases, M05 camo fabric, carbon-fibre-look KARB, MagSafe and your own photo or engraving with a live preview. And if you already own a Lastu 17 Pro case, it fits the 18 Pro too.
Read moreabout iPhone 18 Pro and 18 Pro Max cases are now available to order
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The Google Pixel 11, 11 Pro and 11 Pro XL now have their own Lastu cases. Why the Pixel 11 and 11 Pro don't share a case, how PixelSnap magnets and MagSafe work with a wooden case, and what people really look for in a Pixel case – seven questions answered.
Read moreabout Google Pixel 11, 11 Pro and 11 Pro XL cases are now at Lastu
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