Dual Color Smart Watch Strap Silicone Replace Band for Apple Watch Series 5/4 40mm, Series 3/2/1 38mm – Black / Grey Eco-friendly silicone material, resistant to wear and tear Bi-color design, looks fresh on your wrist Multiple holes design for easy adjustment of size An ideal strap replacement for your old, broken oneSpecification: Length: 11.5 + 7.5cm Wrist circumference: 5.5-7.6in Material: SiliconeCompatible with: Apple Watch Series 5 40mmApple Watch Series 1 38mmApple Watch Series 2 38mmApple Watch Series 3 38mmApple Watch Series 4 40mmPackage included: 1 x Dual Color Silicone Smart Watch Band Accessory only, device not included