Note: This's an official strap only .. does not come with the Whoop 4.0 fitness device.

Product Features:

- Original Whoop strap .. compatible with Whoop 4 wristband .. made from natural and elegant cashmere.

- Easy to install.

- Strap length: 24 centimeters.

- The side frame is made of high-quality steel.

- Smooth and comfortable on the wrist.

- Durable and high-quality.

- Can be easily washed with water and soap.

Warranty: One year