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Double Wall Glass Cups

What is between the two layers of glass?

In short- there is no vacuum between the two layers of glasses, it is a layer of air. The holes vent the hot air to prevent the glasses from exploding since the glass expands when heated. The divot's added to help equalize the air pressure when the g

Why is the espresso cup's handle the way it is?

The OVALWARE espresso cups are designed with a unique butterfly handle for easy handling. This design allows users to hold the cup firmly regardless of the size of your hand while enjoying a comfortable, solid sipping experience.

I saw a hole/dot in my Double Wall Tasting Glass, is it broken?

These are vent holes and they are required during our manufacturing process, and they will not cause your glass to break during day-to-day usage. The holes vent the hot air to prevent the glasses from exploding during the manufacturing process since

Does the cup retain heat well?

Yes. Our cup’s double-wall design provides great heat retention property while keeping the touch surface of the cup cool.

What is the size of the espresso cup? How much liquid could I fit into my cup?

Our espresso cups fit 4oz (120ml) of liquid. This allows you to fit 2 shots of coffee (2.5oz) and some milk.

Do water spots appear on the glass?

Water spots can result from mineral deposits in hard water. To keep your glass clear, use filtered water when possible and dry the glass immediately after washing. For extra shine, you can wipe it down with a soft microfiber cloth or rinse with a vin

Will this glass keep my drink hot or cold long enough?

Ovalware’s double-wall design offers excellent insulation for a glass mug—keeping drinks hotter than standard ceramic or single-wall glass, while staying cool to the touch. It’s ideal for those who savor their drinks fresh without the overly prolonge

Can I use it for both hot and cold drinks safely?

Yes! Our Double Wall Drinkware is made from heat-resistant borosilicate glass, designed to handle both hot and cold drinks safely. The double-wall insulation keeps hot drinks hot and cold drinks cold—without condensation or burning your hands.

Will cold drinks remain cold long-term?

Yes! Pre-chill the cup in the fridge before pouring in iced drinks. This helps keep them cooler longer, while the double-wall design prevents condensation on the outside.

Will condensation form?

To minimize condensation, reduce the amount of ice used, or chill the cup briefly before pouring. If condensation still occurs, a quick wipe of the outer surface can keep your cup looking clean and dry.

Can I safely use metal spoons inside the glass without scratching it?

The borosilicate glass is designed to resist scratches from typical use, including stirring with metal spoons. However, for longevity, it’s best to avoid excessive force or scraping with metal objects inside the cup. A soft-touch approach will help m