[Long-lasting heat preservation] The heat preservation meal bag is made of environmentally friendly cationic fabric, which is waterproof, anti-fouling, and not easy to scratch. The lining is made of high-quality environmentally friendly aluminum foil and filled with pearl cotton, which has high heat resistance. [Easy to clean] The inner layer of the insulated lunch box is made of waterproof paper and aluminum, which can be wiped with a napkin or paper towel after use. It is not necessary to use a washing machine or a brush to clean it, which can prevent damage and extend the waterproof insulation of the bag. service life. PortabilityThe Cooler Lunch Bag has 2 side pockets to carry small items such as umbrellas, spices, sweets, napkins, keys, etc. VERSATILE USELightweight insulated lunch bag, great for lunch bags, snacks, fruit it and great for work, school, picnic, camping, travel or any other activity. This handy stand-alone feature can enrich your work and outdoor activities. [Beautiful Life] A person's lunch should also be exquisite, not just an insulated lunch bag, it can also convey a lifestyle and attitude to life, which can enrich your work and outdoor activities.