... environmental protection, use of imported high-end medical-grade silicone materials, non-toxic, tasteless and harmless. 2, ... is lean, and use of special high-strength silicone adhesive glue, without any metal nails, performance stable ... dust. 2, laptop users - can use soft silicone keyboard as an external device, to make up the ... and so on. 106keys flexible keyboard,silicone keyboards, folding keyboard