BLU Advance 4.0 Screen Protector [3-Pack], DeltaShield BodyArmor Full Coverage Screen Protector for BLU Advance 4.0 Military-Grade Clear HD Anti-Bubble Film Every DeltaShield BodyArmor kit is backed by a hassle-free Lifetime Replacement Warranty. Kit includes 3 protectors for the BLU Advance 4.0 , installation squeegee, microfiber cleaning cloth and set of detailed installation instructions. 99.9% Ultra-Clear HD military-grade film is UV-light resistant which prevents yellowing and maintains screen crystal clear for enhanced viewing. Self-Healing technology in film enables film to revert to original form over time, small scratches and scruffs to magically disappear. Extremely durable film is visually transparent and is able to conform to the contours of any device allowing it to adhere to curved displays as well as round edges for unparalleled protection. Unique laser-precision design process provides accurate fitment for maximum protection.