... .It can protect the keyboard well. Silicone Keyboard Skin,Keyboard Cover, Keyboard ProtectorMaterial:made of non- ... toxic soft silicone, flexible ,washable and long lasting,it can pass the ROHS, FDA, SGS standard ... .Thickness: 0.3-0.5mmDifferent sizes and colors for you to choose.Waterproof and dustproof, transparent , adhere to keyboard ...