Why We Love Hand-Blown Double-Wall Glass

Double-wall glass isn't just a design flourish — it's genuinely clever engineering, and every mug in our collection is still hand-blown by artisans who've spent years perfecting the technique.

How it works

Two layers of borosilicate glass are fused with a pocket of air between them. That air pocket insulates your drink — hot coffee stays hot, iced drinks stay cold — while the outside of the glass stays cool and comfortable to hold. No sleeve required.

The craft behind it

Because each mug is hand-blown, tiny variations in thickness and shape are part of the charm — no two are perfectly identical. It's a small reminder that something made by hand will always feel different than something stamped out by a machine.

Explore our full range of double-wall glassware in Glassware & Bar.