[product name]: USB silicone keyboard 103 keys [Material]: Silicone [Size]: 40*12cm [Weight]: 175g [color]: black [Product Features] Washable surface, soft and quiet buttons; Silicone material resistant to high and low temperature -0~+50C; [Precautions] It can be cleaned with a neutral detergent and kept away from open flames. Flexible, Soft, Foldable, Roll-up, Silent, Waterproof, Dustproof, Lightweight, Portable and easy to store. Multiple function make it an extraordinary computer keyboard Soft silicone material: Made of high intensity and high elasticity silicone gel, non-toxic and odorless. Flexible material allow you to fold it or roll up freely, very handy and convenient to take with notebook, laptop and mac. Waterproof and dustproof: No additional keyboard cover skin required, food crumbs or dust can be easily cleaned thoroughly. Clean the silicone keyboard with water, alcohol, or alcohol based disinfectant. Silent Click: Soft material allows discreet silent typing experience. No typing sound design makes you have a quiet working environment and avoid disturbing others. At night, it can keep your family have a good sleep and also keep you do work seriously. Warm Tips: To protect the keyboard and extend service life, pls do not damage the item as following actions: stretch and twist keyboard; place heavy objscts on keyboard; spill liquid on keyboard; press on rolled up keyboard.