High quality linear polarizer film for 3D glasses, mirrors, magic shows, and projectors. An essential component for image display, widely used in various applications. The polarizer film does not require frequent replacement unless scratched. For beginners, it is recommended to use a professional polarizer remover and film laminating machine for replacement. Features high polarization efficiency and high transmittance. Color: Black Material: TAC + PVA Size: 10 x 10 cm, Thickness: 0.13 mm Package Contents: 5 x Polarizing Film Sheet Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.