Polyester Small Drawstring Backpack material: polyester size:5*45cm various color potions ... , shapes, sizes. We can do size, color, shape, printed logo and packing as per clients requirement.2. Available materials ... : polyester 190T, 210D, 420D, 600D.3.Your logos and designs can also be silk-screened ... , size, printing, quantity and so on. Polyester Drawstring Backpack