material: sport silicone band For Apple Watch rubber belt HIGH QUALITY EXTRA-SOFT SILICONE FITNESS WRISTBAND:Our watch band is made of flexible and durable soft silicone material. Feel very comfortable when you wear it to sport and your life. FASHION PERMEABILITY DESIGN: With air hole design reduce the weight and improve the permeability providing the best wearing experience for you.Very suitable for people to wear it on office home sport travel sleep and other different occasions. COMPADITIPITY: The silicone band compatible with Apple Watch Series 5 Series 4 Series 3 Series 2 Series 1 works with all previous versions of Apple Watch. PACKAGE INCLUDE: 1* watch replacement band .Provide easy-to-reach customer service for you.Please feel free to contact us if you have any question BEFORE you review it. We will try our best to solve your problem.