Soft and durable, comfortable touch. With its proctective skin, dustproof and waterproof, provide full protection for keyboard Flexible USB 2.0 keyboard that's practical, durable, and comfortable Plug and play, no driver required, compatible with all computer, notebook, laptop (for Windows XP, 2000, Vista, Mac OS) . Meanwhile support OTG function for Android phones. Unlike normal keyboards, this silicone keyboard can be cleaned with soap and water Simply use a damp cloth to wipe up spilled liquids such as water, coffee or tea, Ultra slim, lightweight keyboard rolls up for easy storage is perfect for travel, school Note: As the keyboard is made of silicone, the silicone skin and circuit board inside the keyboard may stick together partially after long squeezing in transit, which may affect sensitivity of some keys. If you find some keys not very sensitive or do not work, pls pick up the keyboard, hold the indicator board and shake the whole keyboard for a moment (just keep it in vertical). It is to separate the silicone skin from the circuit board inside the unit and helps to restore its elasticity. To protect the keyboard and extend service life, pls use the product properly and follow the tips below: This product cannot be contacted with oil or organic impregnate like actone. It cannot be pressed when it was rolled. Do not place heavy objects on in a long time. Do not pull or twist it, suggest rolling up the keyboard instead of folding hard when in need. Colour:black Material:Silica gel Size:405 x 125mm Package Contents: 5 x Mini Silicone Keyboard