(md0410) 78mm x 53mm Polarizer, Polarized, Polarizing Film Filter Replacement Compatible for iPhone 4, 4S and Other LCD Screen Repair

Check polarity before attaching to surface. You have choice of white or black lettering. Works well and holding up

Good quality, has adhesive on one side. The orientation of the polarization is about 10 degrees from that of the longer side, rather than parallel to it, hence 4 rather than 5 stars.