silicone made controller cover for One X & One S controller; Comfortable gripping, prevent slipping while game playing, no more worries for sweaty hands;Very easy to install and remove, fits One X & One S controller perfectly, would not affect any function; Prevents any damage to One X & One S controller from shocks, scratches;Pro thumb grips x 8 included in package, with normal types and extra height types for all games such as FPS, ACT and so oncolor: BlackMaterial:Silicone RubberUsage: Protective Shell Skin for game controller, customize the controllerPackage Includes:1* rubber case8* rocker heightening capsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.