Portable Hot/Cold Thermal Insulation Bag Fresh Keeping Lunch Box

Package:1Pcs Material:oxford cloth Size:about26.516.520.5cm Special: Fresh-keeping for your milk, tea, seafood and so on. tage: Outdoor carrying cold beverages and drinks, no longer have to put up with warm drinks in summer! Unique: Also applications in medicines and vaccine products refrigerated transport. Heat retaining function: Generally used for thermal insulated food, su as lun, bento, also can be used for outdoor, camping, elementary and middle sool students, office meal carry. Leak-proof containers: Lun boxes are airtight and leak-proof to prevent spillage and mess-free traveling. Heat retaining time: About 3-4 hour, foods have more heat, holding time more longer. Cooling retaining time: Loaded frozen food or drinks about 8-10 hours, if used come with ice packs, the time could up to 12 hours. Humanization design: Adjustable single shoulder strap design for your your needs. Foldable: Easy to storage, save your space. Convenient: Small size, lightweight and portable carry for your outdoor activities.