R-Go Tools R-Go Hygienic keyboard cover (for US layout). Product type: Keyboard cover, Device type: Keyboard, Compatibility: R-Go Compact Break, Material: Silicone. Width: 4.33" (110 mm), Depth: 11.1" (281 mm), Height: 0.00787" (0.2 mm), Weight: 0.501 oz (14.2 g). Product color: Transparent