Composed with a three-layer structure of breathable and lightweight recycled non-woven fabric. Features heat-insulating pearl cotton and heat-insulating and leak-proof aluminum film. Great functions of heat preservation, cold preservation and freshness preservation. Used for picnics, outdoor recreation, family gatherings and takeaways activities. Zippered compartment with durable carry handle. 9 1/4" L x 9 1/4" W x 6 1/2" H