According to the Consumer Product Safety Commission, the Switchback and Trigger Action travel mugs are getting the most complaints. The source of the issue is the lid. As per their report ...

The lid does feel quite stiff ... Ember’s offering is the Goldilocks of travel mugs. Designed to bring your drink to your desired temperature – between 50C and 62.5C – and then keep it ...

Any mug with a lid that you can carry from place to place is technically a travel mug, but the best travel mugs keep your iced or hot beverage to temperature, won't leak all over your bag ...

Amazon This 16-ounce travel mug features stainless steel vacuum insulation for keeping beverages hot or cold for hours, plus it has a BPA-free plastic lid flip lid for one-handed use and a wide ...