Premium Material: The sport bands are made of durable and soft silicone material, which can prevent skin from irritation and bring you a comfortable wearing experience. Waterproof and Skin-friendly: The apple watch strap use soft and smooth silicone which is durable and lightweight. Comfortable touch feeling free your wrists when you with the silicone sport apple watch band. Easy Installation: The sport band for apple iWatch comes with watch lugs on both ends, which locks onto apple iWatch interface precisely and securely.