Silicone Joystick Thumbstick Key Button Cap Cover Skin for PlayStation 4 PS4 Controller Blue Precisely made of high quality soft and durable silicone. Protect the thumbstick key from dust, scratches and fingerprint. Accomplish comfortable game experience. Compatible with PS4 Controller. Size: H x Dia - 2.1cm x 0.5cm - 0.83inch x 0.20inch.