BLU Advance 4.0 L Screen Protector [6-Pack], Klear Cut High Definition Matte Screen Protector for BLU Advance 4.0 L PET Film Anti-Glare and Anti-Bubble Shield All Klear Cut anti-glare screen protectors for BLU Advance 4.0 L are backed by a hassle-free Lifetime Warranty Replacement Program. If your protector wears simply contact us and we will replace your product. Unique anti-glare multi-layered Japanese PET film is designed to keep your screen fully protected while diffusing reflective light. The extremely "glass-like" smooth outer layer protective coat excels at resisting scratches, scrapes and dents that would otherwise damage the surface of your screen. A premium silicone adhesive layer prevents bubbles from forming during the installation process. Unlike wet-install front protective shields, Klear Cut matte finish screen protectors will not leave residue when removed. Oleophobic surface keeps fingerprints, oil and smudges away ensuring a crystal clear viewing experience at all times. The anti-UV coat prevents Klear Cut film from yellowing. Tru-Touch technology on your BLU Advance 4.0 L screen protector maintains your touchscreen fully responsive. Combine that with our unique laser-cut manufacturing process and you have a high quality protective shield that will not interfere any capabilities of your device.