text: This is a tall, well built and good insulator for liquids. My only complaint is the non-existent well for the liquid to pool into prior to drinking. This is not a problem if you're drinking cold or tepid liquids, but becomes a real issue for hot liquids. Without a well, you're getting hot liquids against your lips without a chance to cool it prior to drinking. The lid design seems to focus more on leaking than drinking. It's great to throw in your bag and not worry about leaking, but then you have to navigate trying to drink scalding liquids out of a tiny hole.