【Multiple Compatibility】 The lid is perfectly compatible with the 18/21/24 oz Hydro Flask standard mouth, as well as IRON Flasks/Simple Modern ascent narrow mouth bottles and other narrow ...

Hydro Flask's wine tumbler lid fits it, so it's great for coffee and tea, too. The silicone sleeve is another selling point for me. It's mostly meant to seal the edge around bottles and cans and ...

The Hydro Flask just offered a nicer drinking experience. Best flip-top: Miir Travel Tumbler We disqualified more than one travel mug simply due to their exceedingly complicated lid mechanisms.