A list of the best travel mugs has been compiled, with some outlets narrowing their focus to those available on amazon under $20 or suitable for hot and iced drinks. The number of travel mugs tested and recommended varies across outlets, ranging from 8 to 21 options. Some outlets have also discussed specific products, such as the yeti rambler and oxo gadgets, but it is unclear if these are included in the overall list of the best travel mugs.