Waterproof Thermal Insulation Bag Thermal Insulation Thickened With Rice Bag Features: Made of premium quality polyester fabric, BPA free, keeps your food fresh longer than normal lunch boxes built from plastic. Interior Aluminum foil insulation lining is eco-friendly and food safe, wipes clean easily. Big enough for you to put lunch boxes, drinks and fruit. Suitable for work, school, travel, shopping, also can be used for a grocery bag, makeup bag, and so on; suitable for all groups, include men, women, girls, boys and kids. Specification: Material:Oxford cloth+ Thermal Insulation Material. 😁 [Satisfaction First] - Customer satisfaction is our top priority. If you are not satisfied with any of our Kayannuo product, please contact us and rest assured that we will do our best to make it right. Please refer to the size chart images and product descriptions, as well as our customer feedback, to ensure an accurate fit. Features: Made of premium quality polyester fabric, BPA free, keeps your food fresh longer than normal lunch boxes built from plastic. Interior Aluminum foil insulation lining is eco-friendly and food safe, wipes clean easily. Big enough for you to put lunch boxes, drinks and fruit.