... :Item Style:Backpack, Cooler Bag, Promotional Bag, Sports Bag, Trolley Bag, Laptop Bag, Messenger Bag, Tool Bag, Wallet Bag, Duffel Bag, Travel BagMaterial:420D, 600D ... within 24 hours 4.Kindtry Inspection: 1.material inspection2.semi-inspection during production lines3.final inspection ... before shipping Five stages quality control to keep your products in good quality and enough quantity, so ...