Lightweight shipper lets you save on weight-based shipping costs. It also makes it easy to carry stored materials between locations so it is a great choice for transfer between restaurants or grocery outlets. Reusable so you can quickly replace goods and ice packs or other cooling tools and ship the unit on again. Durable design protects contents against damage and keeps the temperature at an ideal level. Each unit features foam construction with a corner crush test rating of 200 pounds which makes them difficult to damage during normal shipping.