High-Quality Materials: This product uses waterproof oxford cloth material to make the shell, tinfoil coating to do the inner insulation. It has very good durability and heat preservation.Small Size And Large Capacity: 9.5*8*5 inches size is very easy to carry and suitable for lunch boxes. You can put down your delicious lunch, such Small Size And Large Capacity: 9.5*8*5 inches size is very easy to carry and suitable for lunch boxes. You can put down your delicious lunch, such as sandwiches, salads, various snacks, etc.as sandwiches, salads, various snacks, etc.Easy To Carry: Thickened double side carry handle design, more convenient to carry out. Also can be used as a cooler bag, picnic bag, shopping bag, grocery bag.It is also a great gift for getting a new job or just starting school.Long Time Heat Preservation: Can keep food temperature up to 4 hours. Lunch, fruit, drinks, cold drinks, ice cream can be used. The lining is easy to wipe.