Details: Soft Silicone The Watch Band is made from high quality smooth silicone, flexible and lightweight. Built-in Pin-and-Tuck Clasp The innovative pin-and-tuck clasp is made with hypoallergenic nickel free stainless steel. Easy on off Easy to lock into your Apple Watch, easy to swap back and forth with other straps, and very durable in everyday use. The BRG stands behind the quality of everything we sell and our goal is to make your shopping with BRG a worry-free experience. If you re not satisfied with your order, please contact BRG Tech Support. We will assist you in diagnosing and fixing any problems you may encounter in the use of your BRG product.