... film, protection film, waterproof and dustproof 13-17" Soft keyboard protection film, keyboard film, protection film, waterproof and dustproof Features: 1, the product ... keyboard, without prejudice to any keyboard. 3, the waterproof and dustproof, anti no longer have to worry about tea, cola ... silicone membrane will move up and down with the buttons and moderate extension and did not affect the use ...