This cup literally keep the tea hot most of the day. The only thing I would change is adding a screen between the tea compartment and where you drink from. The loose tea gets through and gets in your mouth. Sometimes don't have an opportunity to remove the compartment while in a meeting. I use this at work.
It is a nice to go "mug" but more for drinking your tea later. I prefer having my tea ready to take with me in the car to sip on. It's great for drinking later and storing your loose tea which I will use for that purpose but not a real fan of it. I read the reviews before I purchased this and decided to try it out since I love all Tea Forte products this unfortunately, is my least favorite product. Granted, I will use it to have my tea later but I sure wish I could sip my lovely tea without having to screw off the lid and hoping it won't spill while on the go. Still love you Tea Forte ;)