CTYRZCH 20 x Silicone Analog Controller Thumb Stick Grips Cap Cover For PS3 Xbox 360 Xbox One Game Accessories Replacement Parts 1. 10 different colours, all 20 pieces. 2. Silicone thumb stick grip cap cover for PS3 / PS4 / Xbox 360 / Xbox one / Wii Controllers. 3. Add a little extra grip and comfort to your game play. 4. Easy to install - just turn the caps inside-out and then pop over the sticks. 5. Tips: turn over the cap to opposite side, when you find difficult to install it to your stick of controller, then try again.