LG Optimus Zone 3 Screen Protector, IQ Shield Matte Full Coverage Anti-Glare Full Body Skin + Screen Protector for LG Optimus Zone 3 (LG Spree,LG K4 LTE) Bubble-Free Film - with The LG Optimus Zone 3 Anti-Glare Screen Protector is backed by our 100% Satisfaction Guarantee, as part of the IQ Shield Lifetime Warranty Program Unlike other common protectors, IQ Shield Matte protectors reduce glare, allowing users to enjoy their devices in brightly lit areas A unique outer coating prevents dust, grime and fingerprints from appearing on the surface of the device, while keeping the device protected The thin and durable military grade film used to manufacture IQ Shield Matte protectors, provide protection against scratches, scrapes, and dents Wet-install application method allows the protector to be easy-to-install and provides bubble-free results