PcProfessional Black Ultra Thin Silicone Gel Keyboard Cover for Lenovo Yoga 900 13.3" Laptop with Application Kit (Please Compare Keyboard Layout and Model) Ultra flexible and easy to clean, Simply remove the keyboard cover and wash it with soaped water Precisely Molded to fit every single key on the laptop Preventing any contamination such as dust, dirt and grease from your keyboard Providing extra grip with the rubber texture for the typing purposes Made of high silicone silicone with thorough quality control