XFUNY(TM) Anti-Slip Pythons Protective Case Soft Silicone Skin Rubber Housing Cover for Playstation 4 Wireless Game Controller (8 Pair) Special and unique design. 4 Pair of white can light in the dark. 4 Pair of black cannot light. Silicone thumb stick grip cap cover for PS3 / PS4 / Xbox 360 / Xbox One Game Controllers. Easy to install - just turn the caps inside-out and then pop over the sticks. Easy to install - just turn the caps inside-out and then pop over the sticks. Made from high quality silicon, comfortable and durable; Accurate and sensitive design, enable you perfect playing experience.