Assecure concave & convex soft silicone thumb grips for Sony PS4. Analogue thumb stick non slip grip caps for Playstation 4 controller, pack of 4 - Green 2 x Concave & 2 x Convex style grips Made from high quality silicone - Long lasting. Simple fitting - No tools required. Four grips per purchase - Enough for two controllers. Suitable for Sony PS4.