High quality silicone material with smooth finish, soft and durable for a nice feeling. Band comes with Smart Watch Lugs on both ends, locking onto your Apple Smart Watch Band precisely and securely for easy installation and one button removal. The silicone band is perfect for people on the go, a comfortable hassle free strap that performs anywhere. Features: Strap material: Smooth Silicone Buckle style: Stainless Steel Silver Sports Style Loop Water resistance Soft against the skin Durable and easy to take on and take off Wrist size circumference: Small-Medium: 90mm-110mm (3.54"-4.33") Medium-Large: 90mm-130mm (3.54"-5.11") Compatible With: Apple Watch Series 1, 2, 3, 4, 5, 6, 7, 8, 8 Ultra, SE & SE2