15 l small thermal insulation bag, picnic bag, lunch bag, cooling bag for travel for men and women, waterproof, foldable, for school, work, outdoor Material: The outer layer of the picnic bag is made of waterproof and dirt-resistant Oxford fabric, and the inner lining is made of PEVA film intended for contact with food, which can be cleaned with a flap, the small cooling bag has a reinforced top handle and an adjustable shoulder strap for easy transport. Reinforced bimetal zippers ensure smooth opening. Capacity: The maximum capacity of the insulated lunch bag is 15 liters , which is enough to fit 24 cans of cola (330 ml) or pack lunch such as sandwiches, salads, snacks, drinks and fruit. Holding Time: The thermal bag is equipped with triple insulation, it can keep food warm for 4-6 hours and cool for 6-8 hours . Light and foldable: folding cooling bag has great advantages in terms of weight and mobility, the insulated bag weighs only 360 grams and can be folded to a small size when not in use. Technical data: Capacity: about 15L Material: Oxford fabric pearl cotton PEVA Size: 31*23*19 cm Color: Black The package contains: Ice wrap * 1 Shoulder strap * 1