The apple watch band is compatible with iWatch bands Series 8, Series Ultra, SE, Series 7, Series 6, Series 5, Series 4, Series 3, Series 2, Series 1, and works with all previous and latest versions apple watch band 49mm 45mm 44mm 42mm 41mm 40mm 38mm.Lightweight soft silicone sport band with compression-molded perforations for breathability. Durable, waterproof & sweat-proof, comfortable to wear. An innovative pin and tuck closure protects your expensive watch more safe. Easy and direct installation and one button removal.Metal parts made with nickel free stainless steel to resolved skin allergy problem. 38mm 40mm 41mm fits 6.0" - 8.2" (150mm - 208mm) wrist, 42mm 44mm 45mm 49mm size fits 6.3" - 8.7" (160mm - 219mm) wrist. Please select the correct size for yourself before order.Durable& Washable Material -- Custom premium soft silicone prevents your skin from irritation or allergy, offering lightweight, breathable wearing feeling. Waterproof, Sweat-resistant and Dirt-proof replacement iwatch band, a great companion for sport. We always focus on the craft and quality of the iwatch sport bands to ensure the band you received is great.