SuperGuardZ screen protectors are made from highest quality optical grade film, which consists five layers: (1) Anti finger print coating, (2) Anti scratch coating, (3) Optical PET layer (4) Silicone gel layer that ensures bubble free installation, (5) Protection liner.Features: Made from highest-quality optical grade PET Film Installation is very simple, Anti-Bubble adhesives for easy installation UV Protection: Reduces eye strain caused by the LCD screen Durable Anti-Scratch Film Transparent: unmatched clarity Ultra Smooth Surface: Enhance the experience and utilization of touch screen and stylus features No residue when removedPackage include: 3X Premium high quality screen protector 1X Installation Kit (cleaning wipes + smoothing card)Lifetime warranty:At SuperGuardZ, we stand behind our products with lifetime warranty. That means, no matter how long you?ve used it, We offer you a quick, no-hassle REPLACEMENT OR REFUND if: SuperGuardZ products are warranted to the owner against manufacturing defects (e.g., bubbling or the product does not match your devices) SuperGuardZ products encounter wear/tear/scratches under normal use conditions (not including damage caused by drops).