Made of oxford cloth materials. Roll-top opening with plastic snap closure for air-tight seal, White vinyl insulated lining, Easy-access exterior pocket . It can be kept warm or refrigerated. The bag has a large capacity and can be put in breakfast and lunch. It is small and portable. It is fresh and locked. It is suitable for many occasions. A choice to bring meals out. 7.5" L x 13" W x 6" H