... 2, cheap and good quality 3, Sample : 5-7 days backpack cooler a simple yet durable cooler bag. Made from heavy ... + outer carton(3) as you requireUsageit can be used for picnic ect Printing waysilkscreen/embroider/stickiness/uv/othersAdditional(1) OEM and ... , HK, Taiwan etc. Our main products: cooler bag , travel bag, backpack bag, eco-friendly bag, cosmetic bag, shopping bag, leather handbag ...