Product Name: Universal Keyboard Film for Notebook Computers Product material: silicone Product color: transparent, blue, yellow, pink, Product weight: 20g Product size: 12-14 inch: 310x132mm 15-17 inch: 368x132mm (There may be an error of 2mm in manual measurement) Product packaging: only contains a protective film, does not contain other items in the poster. Product features: The notebook keyboard protective film is made of environmentally friendly silicone material, which can be used safely and healthy; it is close to the keyboard, the hand feels still, and does not affect the closure of the notebook; it is dust-proof and waterproof, and extends the service life of the phone; Product material: silicone Product color: transparent, blue, yellow, pink, purple Product size: 12-14 inch: 310x132mm 15-17 inch: 368x132mm Waterproof and dustproof,works well to protect dust, water, coffee, spills accidentally enter your keyboard. The silicone cover can be washed by soapy water and make it as clean as a new one. Just put it back on the keyboard when it get dry enough.