... 100%silicone! waterproof and connect by USB Specification:Name:roll up keyboardMaterial:100% silicone comply with SGSItem:FV-SK40031,attactive price2 ... FDA and LFGB test5) No rust or discolor,tasteless,nontoxic,anti-dust,non-sticking,impermeable 6) Easy and safe to use ... exporter of long standing and high reputation,engaged in mould making and exportation of silicone rubber products .We are offering a ...