Green tea, Hibiscus Tea, Red Clover and Raspberry leaf tea are kept at the perfect temp for the day. I use this differently than most by placing the leaves in the bottom of the cup Screw on the mesh piece then in the am as I walk out the door I place my hot water ( the correct temp for the leaves I am using) in and close the lid. All day long my tea is steeping and the mesh keeps the leaves from interfering with my drinking. I add hot water all day long if I want re-using the leaves!
My water bottles are these: