This Logitech Keyboard Cover Skin will Upgrade protection for the keys of Logitech MK570 K350 MK550 Wireless Wave Keyboard, redesigned and solved the yellowing, fading, fingerprints, easy to enter dust, etc. , fingerprint protection, dustproof, and waterproof to bring you a more comfortable experience Only Compatible with:Logitech MK570 K350 MK550 Wireless Wave Keyboard Caution: This keyboard cover ONLY fits US version, not EU version. DO check your "Enter" key to make sure it is the same rectangle as other keys. Worry-Free Warranty We are responsible for our customers and products,if you are not satisfied with our products ,you can return without any reasons.100% RISK FREE! You have nothing to lose or risk by testing out our stickers!