Product Features: 

- Original Whoop strap .. compatible with whoop 4 wristband. 

- Easy to install .. if you need assistance we have provided a video within the images.

- 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.