Three Layers Durable Design: Our thermal delivery bag is constructed with super strong 600D Oxford material, 8mm foam insulation, and aluminum foil inner lining. With double insulation this insulated bag keeps hot foods hot and cold foods cold for longer.Keep Food Hot or Cold: The built-in three-layer aluminum foil can maintain heat for an hour (approx). No matter providing meals and takeaways, attending a party or attending lunch work, you can always keep your food hot and cold.50L/28L Large Capacity: Two size for you to choose. M: 35*23*26CM/ 13.8*9.1*10.2inch, L: 43*30*31cm/ 16.9*11.8*12.2inch.foldable design, it does not take up your space at all. When not in use, you can easily fold it up to store it in the trunk or back seat of the vehicle.Leak-Proof: It's tightly sealed and not easy to leak, so you don't have to worry about drinks or food spilling from the bag during transportation.Our pizza delivery bag is reuable, healthier and more environmentally friendly compared with plastic materials.Practical Food Delivery Bag: Great for for professional catering and food distribution. You can also carry food and beverages for outdoor picnics, holidays, parties, family get togethers, BBQ, camping, sporting events, hiking, car trip, grocery shopping.