XFUNY 8 Pairs/16 PCS Replacement Silicone Analog Controller Joystick Luminous Thumb Stick Grips Caps Cover for PS4 PS3 PS2 Xbox One/360 Game Controller 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. Enhance your gaming experience with these simple concave grip add-ons. Made from high quality silicon, comfortable and durable; Accurate and sensitive design, enable you perfect playing experience.