High-quality materials: the insulated heat lunch bag is made of high-density DuPont paper fabric, the surface is coated, waterproof, anti-fouling and not easy to scratch. The interior lining is made of high quality eco-friendly aluminum foil and filled with pearl cotton, which has high heat resistance.Large capacity: dimensions: 20 (L) x 17.5 (W) x 23.5 (H) cm, capacity approx. 5-8L, meets the basic family needs. Foldable after use, space-saving, suitable for work, outdoor and daily use.Durable and portable: the mouth of the thermal insulation bag is equipped with Velcro fastener, easy to open and close and sticks firmly. Improved carrying bag design, widening and thickening, reinforced workmanship, comfortable and practical, strong load capacity.Easy to clean: the inner layer of the insulated lunch bag is made of aluminium foil. Wipe with towels or paper towels after use, it is not necessary to use a washing machine or brush to clean, which avoids damage and extends the service life of the waterproof insulated bag.Versatile: a lightweight, insulated lunch bag that is very suitable for bento bags, snacks, fruit and is perfect for work, school, picnics, camping, travel or other activities. This practical independent function can enrich your work and outdoor activities.