... silicone 2) High quality and competitive price waterproof foldable silicone keyboard Description: Specification:1).Made of 100% grade silicone, safe ... no side effect.2).Flexible, non-stick, easy to cover cup, easy washing and store.3).Temperature range:-40 to ... anti-aging, anti-stain, unbreakable, impermeable.8).As for computer keyboard.9).Suitable for gifts, premiums, accessories or others.11).OEM ...