The exterior of the lunch bag is made of durable, water-resistant 600D Oxford fabric, keeping stored items dry and clean. The inner lining is made of food-grade PEVA film for excellent thermal insulation. The premium PEVA lining provides excellent thermal insulation to keep food fresh and warm/cold. Large enough for the whole family's picnic needs and small enough not to be bulky, it is ideal for camping, hiking, barbecues, and more. It features a wide opening for easy loading and unloading. There are two side pockets for storing drinks, bottles, and even umbrellas. A deep front pocket is perfect for candy, napkins, keys, and other small items. Designed with a padded handle and a detachable shoulder strap, it offers multiple carrying options and allows for easy transport. It can also be folded flat for compact storage. Dimensions: The maximum capacity of the lunch bag is 20L. The overall dimensions of the lunch bag are 24.5 x 24 x 29 cm.