There is another thin film inside on the built-in screen protector, please peel it off before using it. It compatible with Lg K10 2019, LG K40, LG Xpression Plus 2, Built-in Screen Protector will protect your device screen from scratching the surface. BUILT-IN SCREEN PROTECTOR: strong protection keeps your device far away from each kind of shock and impact. SPECIAL DESIGN: Custom-cut with access to all function, buttons and ports. Protect your phone from bump, scratches, finger marks, and dust. Easy slide and snap design requires no additional tools to install. KICKSTAND: More convenient for you to watch video hands freely. BEST SERVICES: If you have any questions,please contact us via Amazon message system,we will reply you within 24 hours and provide you a satisfied solution.