The Lunch Bag features 's groundbreaking cooling design. Non-toxic zable gel is embedded in the bag's walls: the entire bag zes! Fold, ze, pack and go! Easy to use: simply empty the entire lunch box, fold and ze overnight (12 hours). By the morning, the walls of the bag will be completely frozen and ready to pack. This lunch box keeps food colder longer, which means you can pack ier foods that would spoil in other lunch boxes: ready-made meals, salads, fruits, meats and veggies. 's Freezable Lunch Bag measures 9.75 inches high, 8.5 inches wide and 6.25 inches deep when open. When folded, this lunch bag measures 8.5 inches wide, 3 inches deep and 5.25 inches high for easy and compact storage in the zer. The Lunch Bag features a zippered top closure to lock in cool, dry air. A buckle handle on the back of the bag attaches to totes, backpacks and strollers for hands- convenience. It has a wider base to accommodate 's Mod Snack and Mod Lunch containers (sold separately). This soft lunch bag is made of non-toxic poly canvas and has a food-, water-resistant lining. Like all of its products, the Lunch Bag is made with PVC-, BPA-, phthalate- and lead- (UL #B80321985, 12/5/2019) materials. Simple care: wipe clean interior, stain- exterior