Russian/English Letter Keyboard Protector Cover for Apple MacBook Pro 13" 15" 17" Aluminum Unibody & MacBook Air 13" USA Keyboard Layout (Black) Made with durable non-toxic, silicone material, healthy and environment friendly Flexible, washable, easy to apply and remove for cleaning or disinfecting Soft durable ultra thin material to ensure comfortable usage while typing Feels great to touch, mute-typing, diminishes keystroke sound in quiet place Waterproof and dust proof, protect your laptop against spills, dust and contaminants