... 2.manufacture over 10 years 3.100% silicone rubber, waterproof Waterproof silicone keyboard for computerDescription:Itemsilicone computer keyboardSize85 keys or 109 ... be rolled up and save the storage space .100% silicone rubber, non-toxic,harmless,eco-friendlythe colorfast printed letters ... more than 10 years' experience2.materials are 100% silicone rubber, non-toxic,harmless,eco-friendly3.OEM and ODM ...