Bangda Green Double Layer Stainless Steel Kids Thermos With Handle 400Ml

*Material: Double-walled stainless steel; Inner wall is 316 grade, outer wall is 304 grade stainless steel; *Helps keep your drinks hot for up to 10 hours and cold for up to 14 hours with the lid closed; *Hand washing is recommended, and leaving the lid open when not in use is advised to prevent odors; *Manufactured in China with Tantitoni guarantee.