I drink water/tea constantly all day long. There's nothing I hate more than my fresh glass of iced water/tea melting and getting room temperature in a short period of time. With this awesome, insulated, 40oz mug I can fill up and have a cold drink for hours on end. So nice to have a 40 oz container of this quality to carry around. I used to have to carry two containers around, now I just need this one. It's huge, it's wide mouth, it's stainless steel, its double insulated, it should fulfill yourSee full review