1,Backpack polybag could be backpacked for carry clothes,gifts,necklets,food etc 2,size and logo printing are all tailor made Specifications:1)Backpack polybag with string could be backpacked according to customers' requests 2) Material: PP, PE, PO, OPP, PPE, PPU, PVA, PVC, CPE 3) Applications: for garment, snack and other product packaging, shopping bag Disclaimer: the intellectual property ...