Children's thermos. Original, comfortable, and very practical. Perfect for purees, soups, milk, etc. With a very wide mouth for easy filling and drinking. Double-walled stainless steel. This stainless steel thermos can withstand heat for 12 hours and cold for 6 hours. Its size makes it very easy to carry, whether in a purse or backpack. Reusable. Environmentally friendly. Not recommended for dishwashers.