... silicone, pass CE,Rohs... 4)N.W:250G Newest 109Keys mini computer silicone folding keyboard materialuse100% silicone made, ECO-friendly,insipidity, ... Meet EU -standars.usagewindely use all of kinds desktop computer.featurewater-resistant,long-lasting,actuation force flexibility,and improve type ... products. the prices are reasonable and competitive Newest 109Keys mini computer silicone folding keyboard