... material 3.waterproof,dust proof.dampproof. Glowing silicone waterproof keyboard Details:Made of 100% durable high-grade silicone, nontoxic ... rooms, laptops, Laboratories, military and marine operations, industrial environment.Characters:Keyboard Dimensions: 500mm(L)× 135mm(W)× 7mm(HWeight: <200g Keys: ... treatment, . .9) Good elasticity, touched comfortably and softly, protecting fingers from harm.