Anti-blue film for intelligent film cutting machine. Scratch, shock and wear resistant. Set of 50 pieces. The anti-blue foil uses three different nanomaterials with different properties, so the blue light blocking factor is up to 40%. Unique technology ensures real color reproduction and eye protection. The foil does not turn yellow and is resistant to discoloration. Specification: Material: TPU Sizes: 180 * 105 mm Thickness: 0.13 mm Packaging: 50 pcs / box