Silicone Keyboard Cover Protector Skin for Apple Macbook Air Pro Retina 13" 15" 17" Aluminum Unibody European ISO Keyboard Layout (Purple) 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 dustproof, protect your laptop against spills, dust and contaminants