Tough silicone and stainless steel design for the Watch strapShock protection with a flexible, cushioned layerRaised edge guard for added face protectionThis Apple Watch strap set comes in sizes 44mm and 45mm and fits Apple Watch Series 9, 8, 7, 6, 5, and 4.Passed a 9-foot drop test for strengthOur strap is made from tough silicone with stainless steel parts for shock protection. This Watch strap also helps prevent scratches and damage. The flexible layer keeps your Apple Watch safe from everyday use. Plus, the raised edge guard gives extra protection for the watch face.