... silicone 2.eco-friendly , green product . 3. foldable ,waterproof , dustproof , soft silicone keyboard cover 1.Material :silicone 2.eco-friendly , green ... product . 3. foldable ,waterproof , dustproof , soft Silicone Keyboard cover Features: 1. material:top grade TPU ,SGS ... 3. easily typing,extend the life cycle of the keyboard,4. protect the computer from liquid,power,dust 5. ...