... price, high quality 4. SGS certificates A4 2" 3" paper document file folders BrandTonghongMaterialCoated paper, special paper, ivory cardboard, art paper, ... , brown/white kraft paper, card, etcMetal ring2", 2.5" OR 3", NICKEL FREESurface finishedGlass/matt lamination, varnishing, UV coating, hot stamping ...