Multi-layer thick heat preservation design, long-term heat preservation, enjoy food anytime, anywhere.Separate up and down, put it where you want, easy and convenient, allowing you to place hot or cold food and use it during.It is made of nylon Oxford cloth, which has good elasticity.Good air tightness, and with reflective strips, you can see your takeaway bag at night.It has a good waterproof effect to ensure the safety during food transportation.Color: black/redExternal size: 40*39*34cmInternal size: 36*34.5*29.5 (maximum can hold 12-inch pizza box)Insulation layer: thick thermal insulation aluminum foil/high-density thermal insulation Thermal insulation: burgers, drinks, box lunches and all hot food takeawaysCold storage application: cakes, ice cream, fruits, vegetables, seafood, medicineProduct weight: 2.5KGPacking size: 45*44*10cmApplication: Outdoor, Picnic, Office, School。