DURABLE CONSTRUCTION - The exterior of the lunch bag is made of 600D water-resistant fabric Oxford, PEVA foil lining, and reinforced zippers. You could put your foods into the bag directly. The built-in 6mm EPE foam provides great protection to your containers, foods and drinks. LONG TERM INSULATION - Heat Insulation PEVA keeps food, drink fresh and cold/warm for more than 5 hours, you can drink cold beer and eat fresh snacks or fruit anywhere anytime NICE DESIGN - Our cooler bag is Large capacity and versatile. Equipped with a padded carrying handle, top of the lunch bag with double zippers(wide open for easy access), 2 sides mesh pockets, with a front pocket LEAKPROOF & EASY TO CLEAN - This lunch belt uses seamless hot press technology to make the interior of the lunch bag 100% Leak Proof and easy to wipe clean MULTI-PURPOSE LUNCH BAG - Unisex foldable lunch box holder is lightweight, compact and portable. It's not only can be used for office or school lunch bag, it's also can be used as Picnic bag, Sundry bag ,Shopping bag, Beach Bag, it has heat /cold/fresh preservation