Large Insulated Cooler Bag Thermal Lunch Tote Box Waterproof Reusable Lunch Bag Folding Collapsible 8L Picnic Bag for Grocery Camping Barbecue Car Work School Use, With Shoulder Strap, Zipper Closure Made of Superior Waterproof Durable 600D Oxford Fabric cloth. Interior: environmental, no-toxic PVC and insulation cotton filled for heat or cool preservation. Exquisite workmanship and nice lining Size: 24*16*26cm (L*W*H). Up and down separate layer design, more convenient. Foldable and easy to use Zipper closure for safety guarantee. Compact spacious design. Fully Insulated - Keeps Hot/Cold For Hours. Upper Cover with a detachable ice bag, also called a mobile refrigerator, for maintain cooling and fresh Multi-use available. Keep warm: pizza, lunch and other cooked food (2-3 hours) Keep cool: can store iced fruit and drinks, breast milk, seafood, medcine,vaccines,etc. Note: Long-distance keep cold or fresh goods, need to put ice in the upper ice bag An awesome lunch box, cool/heat preservation bag for children, office worker, students, patient. Ideal used in Travel Camping Picnic Barbecue Office Work School Hospital,etc