1)Thermal double wall vacuum insulated thermos food jar keeps contents hot & cold and fresh (2)Made of food grade,unbreakable and dent-resistant stainless steel interior and exterior- BPA free (3)Portable,durable, attractive, and easy to clean. (4)Cool to the touch with warm foods, sweat-proof with cold (5)Easy-to-fill wide mouth (6)Hand-washing suggested (7)This is a safe, convenient and practical new kitchen tools. It is suitable for students, staff, weekend picnic crowd, and is the best choice for the kitchen mother.