The Stack Your Lunch Heat Insulated 3-Layer Lunch Pack is a perfect blend of style and convenience. It is a must-have for college or school students or office-goers. The meticulous design of this lunch box ensures it is spill-proof and airtight. The heat insulated design of this lunch pack will keep your food warm for up to 3-4 hours. You can carry soup, curry, rice, salad, pasta, noodles and much more in this three-compartment stackable lunch box. The USP of this lunch box? Its capacity is a whopping 2400 ml, making it perfect for adults. You can use this bento box the next time you go hiking, on a picnic or camping, thanks to its huge capacity. This is made of insulated stainless steel, BPA-free and FDA-approved material.