Insulated picnic bag with zip enclosed can be used as lunch bag grocery bag rather than dine-in during pandemic. Insulated material can keep foods drinks cool or warm for more than 5 hours. Interior lining is food grade PEVA foil so you could put your foods into the bag directly. The built-in EPE foam provides great protection to your foods and drinks. The maximum capacity is 15L, spacy enough to store 24 tins of coke (330ml), or your lunch such as sandwich, salad, snacks, drinks and fruits.