Button Switch Protector Soft Silicone Sleeve Waterproof Button Protective Cover for 16/22mm Diameter Push Button Switch button protector cover for computer switchFeatures:brand new and High-quality silicone material, strong for protection, impact resistance, not easy to aging.Nested installation is more convenient and faster and easy disassembly and assembly, and long service life.The button switch protector is used for round button switches.Hole diameter: 16mm/0.62inch 22 mm/0.87inch.Specifications:Material: Silicone16 Size: Approx. 20x16x11mm/0.78x0.62x0.43inch22 Size: Approx. 30x22x17mm/1.18x0.87x0.67inch(size = Outer Diameter x Opening Diameter x Height)Package Includes:1x Silicone CoverNote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.