On the website: Drink well, do good. This insulated, infusing stainless steel and bamboo water bottle with removable infuser and convenient flip cap drinks cold for 24 hours and hot for 14. An insulated + infusing bamboo water bottle 18 oz white water bottle New water bottle, Never used Has tea filter. Also on depop Disclaimer! This is an older type you can not buy it on their site Smoke Free Home! Any questions? Ask me in the comments.