... For ipad mini screen flim 1.PET material 2.anti-scratch, waterproof 3.99% transparency 4.no bubbel ,no residue For iPad MiNi Protective Film Features: for ... smooth, enhances experience of touch screen and stylus features2. Specifications : 1) Made from high quality 3layers PET materials, good ... to the screen.7) Silicone gel adhesive layer, there will be no sticky residue when taken off the protector.