Stainless steel thermos. Original, comfortable and very practical. Perfect for purées, soups, milk, etc… Double-walled stainless steel. This stainless steel thermos holds heat for 12 hours and cold for 6 hours. Its can shape makes it very comfortable to carry, both in your bag and in your backpack... It comes with a folding spoon attached with a silicone belt for greater comfort. Reusable. Environmentally friendly. Not recommended for dishwasher.