1. KIT INCLUDES: Set includes 2 x touchpad faux carbon fiber skins, 4 x 1.5mm thickness back button reinforced silicone skins, 4 x 2mm thickness back button reinforced silicone skins, 4 x joystick caps, and 1 x 90 degree right angle USB C male to female adapter. 2. IMPROVE TOUCHPAD TACTILITY: For Steam Deck touchpad protect skin improves the tactile feel of the for Steam Deck touchpad and is designed to improve grip and optimize the gaming experience as well as extend its lifespan. 3. SILICONE MATERIAL: Back button enhancement set is made of silicone to increase the thickness of the back buttons, making it easier for you to touch the for Steam Deck back buttons. The non slip texture ensures that you can enjoy your game to the fullest. 4. 90 DEGREE USB C ADAPTER: For Steam Deck 90 degree USB C adapter allows the cable to have a proper extension direction, which prevents wear and tear on the cable and device input port and saves space. Supports charging and data transfer. 5. ONE TOUCH RESPONSE: For Steam Deck thumb grip caps are responsive, one button responsive, and increase controller height for wrists, hands, and thumbs. Add turning circle for more precise in game movements. Comfortable, durable and easy to install in your hand. Spec: Item Type: Back Button Enhancement Set for Steam Deck Material: Silicone Color: Black Suitable for Steam Deck Back Button Thickening Buttons 2 Different Thicknesses: Approx. 1.5mm / 0.06in, 2mm / 0.08in How to Use: Remove the product and use it PackageList: 4 x 1.5mm / 0.06in Silicone Keypad 4 x 2mm / 0.08in Keypad Stickers 2 x Touchpad Sticker 1 x USB C Adapter 4 x Thumb Grip Caps Notice: Please allow some error due to manual measurement.