The Silicone Magnetic Traction Strap is made from high-performance liquid silicone rubber. It has a seamless connection to your Apple Watch and is also water and sweat proof. The Silicone Traction Strap makes use of a magnet system with a concealed closure for an easy and secure fit. The magnet system allows the strap to fit almost all wrists. The light weight and ultra-thin design offer ultimate comfort while the silicone rubber makes the strap durable, yet soft on your wrist. Designed for Apple Watch series 7 (45mm) / 6 / SE / 5 / 4 (44mm) / 3 / 2 / 1 (42mm). Traction magnet system. Concealed closure with an easy and secure fit. Lightweight and ultra-thin design for more comfort. Seamless connection to Apple watch. Made from high-performance liquid silicone rubber, water and sweat proof. Durable, strong and yet soft on your wrist.