A4 2" 3" paper files bags 1. Manufacturer 2. 25 years experience 3. Low price, high quality 4. SGS certificates A4 2" 3" paper files bags BrandTonghongMaterialCoated paper, special paper, ivory cardboard, art paper, foil paper, brown/white kraft paper, card, etcMetal ring2", 2.5" OR 3", NICKEL FREESurface finishedGlass/matt lamination, varnishing, UV coating, hot stamping, screen printing, die ...