【Material】300D Polyester 【Accessories structure】Zipper closure + mesh side pocket + strap【Product performance】Large capacity, heat preservation and cold preservation, dirt-resistant and easy-to-wipe, water-repellent; fresh and cutting-edge design, fashionable patterns with simple shapes; extended adjustable strap, which can be used when you go to work and school; store lunch and fruit in a stable place .【Applicable scenarios】Suitable for four seasons, you can put it in the refrigerator to make your food fresh and delicious. It tastes better after being frozen in an ice pack and takes longer to be fresh. Mobile phones, wallets, keys, cards, chargers, small change napkins and other small items are placed in the side pocket of this meal bag. It is convenient to use as your lunch bag, picnic bag, sundries bag or shopping bag.【 Washing instructions 】It is recommended to wash by hand, do not soak for a long time, do not bleach, and the temperature of the washing liquid should not exceed 45ºC.