This is by far the best thermal mug I've ever had. It kept my tea piping hot for so long, I didn't even mind the mouth burn two hours later (be careful). Seriously, if you're considering buying something for keeping your coffee/soup hot this season, buy this. It's all stainless steel, no lining. BPA free, leak proof, has a lifetime guarantee and it's indestructible. And that's my free product plug for the day.
Check out the website for further specs. Like they say, it's equipped for adventure. Even if your idea of adventure is going to the City ave. Target.