... 3.99% transparency 4.no bubbel ,no residue For iPad MiNi Protective Film Features: for mini ipad protective filmAnti-scratch grade: up to 4HMaterial ... LCD Monitor Screen.5) Contrast enhancing, HC coating reaches 4H, size precision can be 0.1mm, smooth mold-cutting.6) Quickly ... , there will be no sticky residue when taken off the protector.