... keyboard* Specially designed for Samsung Galaxy tab 10.1 P7510 P7500* Quiet keystrokes, dustproof, waterproof* Protect your Samsung Tablet w/ PU Leather Protective Case ... pollution, anti-acid (waterproof for silicone part)* Material of keyboard: Silicon * Material of Case: PU LeatherSpecification:* Executive standard: ... +70°C* Humidity:20% ~ 50% Bluetooth Keyboard case for Samsung Galaxy Tablet 10.1''