These are very large insulated bags. I use them when my girls and I go on outings, so I don't have to pack only things that don't need to be kept warm or cold, which is mostly junk. We put the drinks, fruit and other cold things in one and the warm sandwiches, etc. in the other bag. Then I sort of roll one bag up and I can fit it inside of the other bag, so I am only carrying one, since we never fill up either bag completely. They even have a little mesh side pocket. I keep them in my trunk just in case I buy something cold from the grocery store and am not going straight home. We can also use them if we have a large takeout order. I put the food in the bag and use my hands to carry other things. I took off one star because I wish the bottom of the bag was firm.