drawstring backpack material: 210D/non-woven/canvas/ripstop, or as your requirement; ... your requirement;description* 1 main compartment with drawstring;* option: addable flap;* more details photo pls contact with me;OEMacceptable;FOBFOB Shanghai;capacity60000pcs by ... ,cooler bag,picnic bag,rolling duffle/travel bag with wheels,school bag,lunch bag,backpack with wheels,diaper bag,trolley set,tools bag ...