1)Silicone folding Keyboard,easy to carry 2)Flexible,Foldable,Waterproof 3)Material: ... CE,Rohs... 4)N.W:250G New design 109Keys silicone folding keyboardmaterialuse100% silicone made, ECO-friendly,insipidity,avirulentcetificatePASS ,SGS ,FDA Meet ... -lasting,actuation force flexibility,and improve type speed.it also can release negativeions.Easy to carry.key life:10,000,000 ...