Used as a daily lunch bag,sundry bag,cooler bag,shopping bag,picnic bag,suitable for people of all ages.Durable top-grade waterproof and wear-resistant Oxford cloth and BPA-free food grade aluminum foil,which can keep your food warm or fresh for several hours. In addition, the shoulder lunch bag also comes with Drawstring pocket,which can pull tightly. Its high quality and durability are definitely worth giving it as a gift to your relatives and friends