in stock wholesale file box plastic file box a4 thickened folder bill material large capacity file storage box

thickness 2.0cm material thickness 85c (casket 50 pcs. large box 100 pcs) thickness 3.5cm material thickness 90 (casket 30 pcs. large box 100 pcs) thickness 5.5cm material thickness 100c (20 in small boxes, 64 in each box) thickness 7.5cm material thickness 105c (20 in small boxes, 48 in each box) thickness 10cm material thickness 120c thickness 1.2cm material thickness 80c 15cm thick material

blue black