For a long time I've been living under the assumption that Japanese thermoses (tumblers, travel mugs, insulated drink bottles ...

The best vacuum flasks keep drinks hot from morning through to night. We've reviewed the best Thermos flasks, along with vacuum flasks from Chilly's, Stanley and Hydro Flask, and cheaper own-brand ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

The industry recorded a CAGR of 4.4% between 2019 and 2023. In 2024, the 210 ml to 750 ml segment commands a dominant 55% ...

The Stanley bottle performed exceptionally well in ... How do I know if my thermos’s vacuum seal is broken? If your thermos is leaking, that’s a sure sign that the vacuum seal is no longer ...