Perfect Design: An innove pin-and-tuck closure ensures perfectly fit. Metal parts made with hypoallergenic nickel free stainless steel. Soft silicone with smooth finish for a sporty look. This iWatch strap is perfect for Sports, Gym, Swimming, Climbing, Hiking, Traveling. Easy to Install and Remove: The silicone band is supplied with watch loops at both ends, which snap precisely and securely onto the watch interface. Easy and direct installation and removal of a button. Don't need a tool. Compatible: Fitness silicone bands compatible with Apple Watch 38mm 40mm 42mm 44mm Series 6/5/4/3/2/1 SE. Soft silicone sport smartwatch band replacement for women and men. Premium Material: This silicone iWatch bands 38mm 40mm 42mm 44mm are made of high performance silicone material, durable, soft, flexible and friendly to skin. It is also Waterproof and sweat-proof, which can prevent skin from irritation and bring you a comfortable wearing experience.