... and durable 3.100% silicone, waterproof. 85keys flexible silicone waterproof keyboard Features:1.100%manufacturer with more than 10 years' experience2.materials are 100% silicone rubber, non ... can be rolled up and save the storage space .100% silicone rubber, non-toxic,harmless,eco-friendlythe colorfast printed letters won ... 9.2kg,G.W:10kg)Product Pictures: 85keys flexible silicone waterproof keyboard