Liquid Optically Clear Adhesive Technology (Loca)This Technology Let The Adhesive(Glue) Full Fill In The Glass Protector And Screen,No Dot Matrix/Black Edges/Touch Failure And Will Not Peeling Off Inadvertently. The Adhesive Also Fill The Minor Cracks And Scratches In Screen To Make It A Brand New Look.It'S Made Of Super Thin Glass Material,The Uv Glass Screen Protector Compatible With Fingerprint Sensor.(Tips: After Installation,You Should Re-Scan Your Fingerprint)With Full Screen Adhesive(It'S Not Edge Glue Screen Protector And No Dot Matrix),You Will Get A Sensitive Touch Just Like No Screen Protector On.The Glass Screen Protector Is A 3D Curved Made According To The Curvature Of The Device'S Screen.It Is Edge To Edge Full Coverage And No Annoying Black Edges.It Is Made Of High-Definition Glass Material,And The Transmittance Is Up To 99%,So The Uv Glass Screen Protector Is Completely Transparent And Without Any Black Border At The Edge.