... available 3)eco-friendly cardboard paper 4)competitive price Box for file(PB-18): 1. Material: cardboard, corrugated ... design, production and packaging.10. High quality, competitive price and best service Production specification: Item:Box for fileItem No:PB- ... 18Material :Paperboard, Art paper, color paper, special paperColor:Various color and designsMOQ:1000pcs , Packaging: ...