Libertea

Actually, it's Libre. Libre is a tea glass designed for people on the go.  This company is not the first to offer options for hot tea drinkers on the go.  Thermos has a stainless steel bottle with tea infuser that holds 12 ounces of tea. There are also various similar models.  

This particular bottle appeals because it has a glass interior.  The Libre can either have a poly or glass exterior, but your tea does not come into contact with plastic. As we become more and more aware of the chemicals that leech into our beverages and cause health problems, the more appealing this is.  (Just think about the massive switch from Nalgene to Sigg.) The design is appealing as well.

While I generally use blooming teas for special occasions, if one wanted to drink them on a daily basis, this would be a nice way to enjoy them during your commute. It would certainly infuse some beauty into your daily routine. The lid also has an infusing basket if you have a tea with a sensitive steeping time. 

The glass 'n' glass model holds about 10 ounces and is $25. The glass 'n' poly model holds 9 ounces and is $24.  From what I've read, the price is right. However, 9 or 10 ounces of tea is not enough for me. If I'm going to bring my tea, I want enough to get me through the day, or at least through the morning. All the same, I wouldn't mind having this pretty on hand.  The double wall construction seems like it would keep the tea warm, although the way I drink tea, it probably wouldn't have a chance to get cold.