it keeps drinks warm for an adequate amount of time. Cons: the design is awful. The cap frequently leaks and gets stuck so it's impossible to open. It is the most poorly designed travel mug lid I've ever had. I've had it less than a year and it's completely unusable now
or they hide/remove negative reviews instead of improving their products. Overall
Mark S. Gottlieb CPA, P.C.
1270 Avenue of the Americas Rockefeller Center 7th floor New York NY 10020