Features: 4 different sizes available 18mm, 20mm, 22mm and 26mm. Please confirm the width of the watch band first to choose the right size. Anti-slip design It is designed with anti-slip strips, which can be inserted into the watch band hole well and not easy to fall off. Skin-friendly material is made of high-quality silicone, which is soft and durable, providing a comfortable wearing experience. Classic black and white has 10 black or white watch band buckles. One loop can fix your watch band. Waterproof It is waterproof and sweat-proof. Compatibility 18mm strap buckle: compatible with GARMIN Venu 2S, vivomove 3s, Garminmove3S, vivoactive 4s, GarminActive S; 20mm strap buckle: compatible with GARMIN Venu Sq, venu, vivomove3, Garminmove3, vivoMove Luxe, GarminmoveLuxe, vivoMove style, Garminmove style, vivomove (HR sports version), vivoactive3 (music), Forerunner 245 (music), Forerunner645 (music); 22mm strap buckle: compatible with GARMIN Venu 2, vivoactive4, GarminActive; 26mm strap buckle: compatible with GARMIN Fenix 5X/5X Plus/3/3HR. Specifications: Material: Silicone Size: 18mm, 20mm, 22mm, 26mm (optional) Color: Black, White (optional) Packing list: 10 * Strap fasteners