Product Description Product parameter: Material: Ethylene Vinyl Acetate Outside size: 5.6 x 4.3 x 2.5 inch Package Included: Storage Case x1, Carabiner x1, Lanyard x1 Compatible with: Logitech MX Master 4 Ergonomic Wireless Mouse Logitech MX Master 3S Wireless Performance Mouse Logitech MX Master 2S Wireless Mouse