Bodum Skal Drinkware

Yes. The double-walled borosilicate glass construction is designed to handle both extremes, keeping hot drinks hot and cold drinks cold while preventing condensation on the outside of the glass.

While they are made of glass, borosilicate is known for being more resistant to thermal shock and breakage than standard soda-lime glass. They are sturdy enough for everyday use, though they should still be handled with the care you would give any high-quality glassware.

Yes, they are completely dishwasher safe. You can clean them alongside your regular dishes without worrying about the double-wall seal or the glass clarity.

The silicone is typically used in the base or seal of the double-wall construction to help equalize pressure between the two layers of glass. It ensures the glasses remain durable and prevents moisture from getting trapped between the walls.

The double-wall design adds a bit of thickness to the glass, but they are engineered to be lightweight. Most users find them easy to grip, though they will feel slightly wider than a standard single-wall tumbler.