Compatibility: Perfectly fits Apple Watch Series 4, Apple Watch Series 4 Nike+ 40mm. 40mm watch band(length: 200mm) fits for wrist size 5.7¡¯¡¯-7.9¡¯¡¯, 9 precise cut holes allow you to adjust to your size.
High-tensile Silicone: Acid-resistant and non-toxic silicone iWatch band in dust-proof oil coating for smooth touching. This ultra-soft, wear resistant, waterproof sport band is your perfect workout partner.
GUARANTEE: Always ensure you choose ¡°SOLD BY FULLMOSA?¡± for guaranteed quality. If you have any problem with your order, please contact us for prompt and courteous service. Our contact information is located on every genuine Fullmosa? box.