Premium Materials- The exterior of the cooler bag is made from high density oxford fabric, which is water and dirt resistant, making it durable, waterproof and easy to clean. Convenient Design- Featuring multiple pockets for storing different items, this lunch bag has handles and a detachable and adjustable shoulder strap for comfortable and effortless carrying. The wide opening allowseasy loading and unloading, and the bag can be folded up after use and wiped with a cloth. Insulating Function- The aluminum interior of the upgraded thermal insulation provides great insulation capacity, which keeps the food hot or cold that you have prepared yourself longer. Enables a new healthy and clean waypower for you and your family. Versatility- The maximum capacity of the cooler bag is about 10L. The overall dimensions of the bag are approximately 9.5 x 6.9 x 8.6 inches / 24 x 18 x 22 cm. It is an insulated bag that adapts to all people and is also ideal for thework, school, travel and picnics.