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Bullstrap
Bullstrap
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
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The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA
The Flex Case - SIENNA

The Flex Case - SIENNA

All Flex iPhone 16 Pre-Orders will ship by 11/5

$20
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 16 cases have been designed with a precision cut-out that will allow you full access to iPhone 16’s brand new Capture Button. MagSafe Compatible, Protective, & Sleek.  Important! This case is designed specifically to work with our new MagSafe Charging Cable! Get yours here!  
Leather

- Hides sourced from Europe and northern United States

- Chrome tanning process

- Full-Grain leather with natural variation in texture

- Lightly buffed and dyed with water-based dyes

- Sprayed with oils and waxes for enhancement effects

- Polished to achieve a two-tone color effect

Materials

- N52 strongest grade magnets

- TPU bumper construction for maximum case durability and drop-protection

- 316-L Monochromatic Stainless Steel Buttons

- Microfiber inside lining for debris protection

- Badass Bullstrap logo embossed into leather

Pairs well with ...

The Flex Case - SIENNA
The Flex Case - SIENNA PRE-ORDER 16 Pro

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FAQs

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.

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.

What is the reason for adding the TPU bumper all around the case?

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!

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.

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.

What is the reason for adding the TPU bumper all around the case?

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!

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.

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.

What is the reason for adding the TPU bumper all around the case?

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!

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.

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.

What is the reason for adding the TPU bumper all around the case?

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!

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.

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.

What is the reason for adding the TPU bumper all around the case?

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!

"No matter what leather case you have, if you drop it, the sides get scuffed. This case is the solution to that problem and it's executed beautifully." - Tyler F.
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Reasons to Love

Enjoy your journey with Bullstrap.

MAGSAFE COMPATIBLE.

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

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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.

PREMIUM LEATHER WITH A TWIST.

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