4 x Green Silicone Analog Controller Thumb Stick Grips Cap Cover For PS3 PS4 Xbox 360 by YUYIKES It is easy to fit your Sony Playstation 3 / Xbox 360 game controller Non-slip surface is great for providing better grip to enhance gaming performance Protect your joystick from dust and scratches Smooth and washable design ensures comfort and cleanliness Made from high quality silicon, comfortable and durable; Accurate and sensitive design, enable you perfect playing experience