Feature 1: Cuts blue light up to 99% of the screen protector film to protect your health and has a special coating applied to the surface of the LCD film to cut up to 99% of the blue light contained in the light of the game console. Also recommended to protect childrens eyes during development. Experiments using a general LCD film and this product adheres to a sheet that changes color when it detects blue light: The color of the product was applied to the blue light. Feature 2: Easy to apply and can be repositioned over and over again. The adhesive surface is made of high quality silicone adhesive material that prevents air bubbles and can be repositioned repeatedly. Film Configuration: 1. Hard coat layer screen is firmly protected from scratches and dirt. 2. The pen can be used with the screen. 2. Blue light cut high transparent PET layer film ensures 88% light transmission and allows you to enjoy clear images. 3. By applying high quality silicone adhesive layer to make fine scratches on the screen, it is also effective for reducing inconspicuous. Compatible models: 3DS LL, Set Contents: LCD protective film x 2 (Top screen x 1 x 1 x 1 x 1 x 1 x Lower screen. 1) Antibacterial Cleaning cloth x 1, Material: PET (LCD protective film), polyester (antibacterial cleaning cloth). In the event that the product is failed to install, we will replace it free of charge within 30 days of purchase.