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Angled view of The Flex Case showcasing full-grain black leather, raised camera surround and embossed logo on white background
  • Angled view of The Flex Case showcasing full-grain black leather, raised camera surround and embossed logo on white background
  • Black leather phone case upright on floor, with brown backpack behind, worn boot at left and star-studded belt at right.
  • Black Flex phone case held in both hands against a person wearing a black shirt and jeans, showing case side buttons.
  • Side view of The Flex Case showing TPU protective rim and buttons.
  • The Flex Case with TPU bumper for protection, featuring options for minimalist and contemporary designs.
  • Hand holding the Flex Case - BLACK EDITION with a circular MagSafe area visible
  • Black Flex Case bottom showing charging port cutout; text overlay: 'CLOSED BOTTOM DESIGN'.
  • A person holding the Flex Case - BLACK EDITION with a card in the pocket.
  • Black leather iPhone case with precision camera control cut-out
  • Black leather iPhone case next to a card holder on a brown surface.
  • A person holding a black leather phone case and a matching wallet.
  • Two phone cases: one black and one brown leather, showcasing their design.
  • Black leather iPhone case with camera cutout on a white surface
  • The Flex Case in Black Edition on a desk with a laptop and magazine
  • Two Black Edition Flex Case backs: left FRESH OUT OF THE BOX; right AFTER 180 DAYS, showing wear and patina.
  • Close-up of the Flex Case in black, showing seamless leather-to-TPU design and camera cutout.
  • Close-up of a black phone case showing a cutout around the side button, with the words 'CUTOUT' and 'BUTTON' in white text on the image.
  • Angled view of The Flex Case showcasing full-grain black leather, raised camera surround and embossed logo on white background
  • Black leather phone case upright on floor, with brown backpack behind, worn boot at left and star-studded belt at right.
  • Black Flex phone case held in both hands against a person wearing a black shirt and jeans, showing case side buttons.
  • Side view of The Flex Case showing TPU protective rim and buttons.
  • The Flex Case with TPU bumper for protection, featuring options for minimalist and contemporary designs.
  • Hand holding the Flex Case - BLACK EDITION with a circular MagSafe area visible
  • Black Flex Case bottom showing charging port cutout; text overlay: 'CLOSED BOTTOM DESIGN'.
  • A person holding the Flex Case - BLACK EDITION with a card in the pocket.
  • Black leather iPhone case with precision camera control cut-out
  • Black leather iPhone case next to a card holder on a brown surface.
  • A person holding a black leather phone case and a matching wallet.
  • Two phone cases: one black and one brown leather, showcasing their design.
  • Black leather iPhone case with camera cutout on a white surface
  • The Flex Case in Black Edition on a desk with a laptop and magazine
  • Two Black Edition Flex Case backs: left FRESH OUT OF THE BOX; right AFTER 180 DAYS, showing wear and patina.
  • Close-up of the Flex Case in black, showing seamless leather-to-TPU design and camera cutout.
  • Close-up of a black phone case showing a cutout around the side button, with the words 'CUTOUT' and 'BUTTON' in white text on the image.
The Flex Case - BLACK EDITION

The Flex Case - BLACK EDITION

From: $80
COLORS: BLACK EDITION
SPECIAL OFFER – 80% OFF!
Leather NavSafe Wallet in black with 'Works with Apple Find My' text and logo
Leather NavSafe Wallet - BLACK EDITION
$18 $8980% Off
100% REAL LEATHER
COVERED BY A LIFETIME WARRANTY
45-DAY MONEY BACK GUARANTEE
See it in Action
Description

Introducing the Bullstrap Flex Case, where our classic luxury leather meets stylish and sleek durability for your everyday use.

Crafted with precision from 100% full grain leather on the back and fortified with a shock-absorbent TPU rim, this case offers unparalleled protection and style.

All Bullstrap iPhone 17 cases will come with a state-of-the-art touch glass button specifically designed for the Camera Control feature.

All Bullstrap iPhone 16 cases now come with the option of either a precision cutout or a state-of-the-art touch glass button specifically designed for the Camera Control feature.

MagSafe Compatible, Protective, & Sleek. 

Important! This case is designed specifically to work with our new MagSafe Charging Cable! Get yours here!
Leather

Our premium full-grain leather is sourced from the finest tanneries. Each piece develops a unique patina over time, making your case truly one of a kind. The leather is naturally water-resistant and incredibly durable.
Features

  • Precision cutouts for all ports and buttons
  • Slim profile design
  • Raised edges for camera protection
  • Wireless charging compatible
Comparison of Bullstrap cases versus other cases, highlighting confidence, quality, warranty, and craftsmanship.Comparison of Bullstrap cases versus other cases, highlighting confidence, quality, warranty, and craftsmanship.

GOES TOGETHER WITH

The MagSafe Charging Puck

From: $45
Black leather iPhone case next to a card holder on a brown surface.Black leather iPhone case next to a card holder on a brown surface.

THE REAL STUFF.

100% full-grain leather. No fake "pleather", no BS!

Bullstrap's Founder talking about The Flex iPhone cases.

Black leather iPhone case with camera cutout and small embossed bull logo
Before
Dark brown leather iPhone case with triple-camera cutout and small embossed bull logo on white background.
After

PATINA PROUD

100% FULL-GRAIN LEATHER

pa·ti·na - the natural aging process that occurs on the surface of leather products over time. As leather is exposed to elements such as light, air, and handling, it develops a unique, rich sheen and darkens in color. This change is often considered desirable because it enhances the leather's character and beauty, giving it a distinctive, lived-in appearance.

Black leather iPhone case with camera cutout on a white surface

MAGSAFE COMPATIBLE.

Designed to work with all MagSafe accessories, but, it works especially well with the Bullstrap MagSafe Wallet (sold separately).

A person holding a black leather phone case and a matching wallet.

VERSATILE APPEAL.

Whether you're in the office or traveling, the Flex Case offers reliable protection without sacrificing style, ensuring your device remains safe wherever you go.

Bottom view of the Bullstrap Flex Case showing charging port and speaker holes.

PREMIUM LEATHER WITH A TWIST.

Experience luxury with the Flex Case, meticulously crafted from 100% full grain leather and seamless protection.

FAQ
Is this product really covered by a Lifetime Warranty?

Yes, it’s real. And it’s awesome. If you want to read some legal nonsense, you can learn more about our Lifetime Warranty by clicking the link at the bottom of this page. But suffice it to say, we’ve got you covered.
Do the Flex cases have a lock magnet?

Yes! It’s the magnetic line under the circle of magnets to help it stay in place and not spin around.
How does the Flex case differ from the Minimalist case?
The main difference is protection! The shock absorbing TPU rim on the Flex case will protect not only your phone, but also the full-grain leather backing from getting torn on the sides. Other than the sides, the phone case are both MagSafe compatible and made with the highest quality leather on the market.

The main difference is protection! The shock absorbing TPU rim on the Flex case will protect not only your phone, but also the full-grain leather backing from getting torn on the sides. Other than the sides, the phone case are both MagSafe compatible and made with the highest quality leather on the market.

Do the MagSafe cases have a lock magnet?

Yes! It’s the magnetic line under the circle of magnets to help it stay in place and not spin around.

We added this extra protection to prevent ripping/tearing on the edges of your case! We understand leather and while it may be beautiful, it sometimes doesn't withstand being dropped on concrete. That's why we made this case. for those who want the look of a leather case with also the protective characteristics of a plastic case!

100% Real Leather trust badge
Covered by a lifetime warranty with a checkmark icon
Icon of a hand holding a dollar sign with text '45-DAY MONEY BACK GUARANTEE'

COVERED FOR LIFE.

And we mean it. Read more about our exclusive lifetime warranty below.

LEARN MORE