GINOVO Colorful Silicone Keyboard Cover Skin Protector Compatible for Lenovo IdeaPad U310 U300S U400 U410 U430 S300 S400 S405 S415 Z400 M490S , YOGA13 Ultrabook (White) Brand new keyboard cover Waterproof and dustproof Perfect adaption Soft durable rubbery silicone material Shipping via USPS with tracking number, 7 to 12 work days