THERMOS FOOGO double wall stainless steel food jar features THERMOS vacuum insulation technology that keeps contents cold for up to 7 hours or warm for up to 5 hours; Vacuum insulation maintains temperature of the contents longer, which inhibits bacteria growth and spoilingThe FOOGO food jar was designed with kids in mind: the stainless steel interior and exterior is durable and withstands the demands of daily use; The double wall design allows this food jar to stay cool to the touch with warm foods and sweat-proof with cold foodsFood jar is compact and portable and features a 10-ounce capacity - perfect for toddlers on the go; The food jar's ergonomically-designed lid has a rubber grip for easy handling; The base of the jar is non-slip and scratch resistantThe wide opening of the THERMOS FOOGO food jar is easy to fill, eat from and clean; It is a great way to pack fresh and healthy meals for school or on the goSimple care: hand wash (preferred) or top-rack dishwasher safe; All THERMOS FOOGO items are made from BPA-free materials