D-Flectorshield BLU Advance 4.0 Scratch Resistant Screen Protector - Free Replacement Program Designed and Inspected to precise specifications for the BLU Advance 4.0 Made from high quality 3M Ventureshield used to protect automotive paint from road debris. Ultra smooth finish without effecting touch screen sensitivity Multi-layer Urethane film with self-healing technology to retain its smooth surface State of the art adhesive that creates a powerful bond with your screen for the ultimate protection without leaving residue. Manufacturer Life-Time Warranty