Double Wall Glasses

What Are Double Wall Glasses & How Do They Work?

Double wall glasses are made from two layers of glass — typically durable borosilicate — with a sealed air gap between them. This air gap acts as insulation, helping maintain the temperature of your drink while keeping the outside of the glass comfortable to hold. That means you can enjoy a hot coffee or tea without needing a handle, and cold drinks stay chilled without condensation forming on the outside.

This design also creates the signature floating effect, where your drink appears suspended inside the glass — a feature that makes double wall mugs, latte glasses and double wall coffee cups as visually appealing as they are practical.

When choosing the right size, think about your go-to drink. Smaller double wall coffee cups (60–120ml) suit espresso and short coffees, while 150–220ml sizes work for cappuccinos and flat whites. Larger latte glasses (250–350ml) are ideal for long drinks like lattes, chai and hot chocolate. If you’re looking for more traditional styles or everyday options, explore our range of coffee cups & mugs.

Most borosilicate double walled glass cups are dishwasher and microwave safe, though it’s best to check individual care instructions. To complete your setup, you can also browse the full drinkware range or consider practical options like reusable cups & travel mugs for coffee on the go.

Frequently Asked Questions

What are double wall glasses?
Double wall glasses are made from two layers of borosilicate glass with a sealed air gap between them. The air gap acts as insulation, keeping hot drinks hot and cold drinks cold without transferring temperature to the outside of the glass. This also creates the signature floating effect where the drink appears suspended inside the glass.

Are double wall glasses better than regular glasses or mugs?
For most coffee, tea and cold-drink uses, yes. Double wall mugs and insulated glass mugs retain heat longer, prevent condensation and allow you to comfortably hold hot drinks. They also showcase layered drinks like lattes and iced beverages more effectively than ceramic mugs.

Are double wall glasses dishwasher safe?
Most borosilicate double wall glasses are dishwasher safe and microwave safe — always check individual product care instructions. Use the top rack where possible and avoid extreme temperature changes to prevent thermal shock.

What size double wall glass should I buy?
It depends on the drink:

Can you put double wall glasses in the microwave?
Most double walled glass cups made from borosilicate glass are microwave safe. Always check the product instructions and avoid microwaving items with metallic accents.