I use it daily at work and in the car. It keeps the coffee hot for many hours. The only drawback is the hole in the lid from which liquid will spill if you put it in a bag, for example

Using the product for a long time with daily use for hot beverages, I noticed the following. Its use is like a cup, meaning it keeps the coffee warm for a maximum of 2 hours. The build quality is excellent, without any odors, etc., but that's about it. If you want to get a cup that says camelbak on it, it's worth it. Don't expect hot results at all. Also, the lid has a small hole for ease of use, which does not make it leak proof.