Maped picnic water bottle 580 ml it is easy to clean thanks to its removable lid. its inner chamber is made of long-lasting stainless steel. the lockable lid with handle can be easily opened and carried with one hand. stainless steel double wall structure with an air gap between them. its internal and external structure is made entirely of steel, which is harmless to health. it has a straw for ease of use for children. stainless steel is 304 quality, plastic number is pp5, it is not a thermos, it does not have a hanger, Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.