The lunch bag is made of high density oxford cloth and thick aluminum foil. It keeps your food cool or warm for about 4 hours. It can make your food fresh and delicious. Freezing with ice packs will be better and fresher. Dimensions: lengh22cm * height 20cm * thickness 13cm (8.5 X 8 X 5 inches) Easy to use as a lunch bag, picnic bag, sundries bag or shopping bag. The unisex lunch pack is not only suitable for work and college, but also for outdoor activities such as fishing, hiking, picnics and more. You can take it to the office, day trips, beaches and sports. Or pack healthy snacks for your family or enjoy a pleasant Sunday picnic. Waterproof, moisture proof, breathable and wear resistant. Lightweight, upgraded, wear-resistant, smooth zipper for easy cleaning. You can put your phone, wallet, keys, card, charger, small napkin and any other small items in this front pocket.