Lambert and Hope Glassware

Yes. They are crafted from borosilicate glass, which is known for its superior temperature resistance and durability compared to standard soda-lime glass. This makes them sturdy enough for everyday handling and temperature changes.

Yes, they are oven-safe. Because they are made from borosilicate glass, they can withstand thermal shock, allowing you to move them from the cupboard to the microwave or oven without worry.

Yes, the stackable design is a key feature. Since all three sizes share a uniform 3-inch diameter, they nest securely, which helps save significant space in your kitchen cabinets.

No, these are single-walled tumblers. While the borosilicate glass is high-quality, it does not provide insulation, so you may notice condensation on the outside when serving cold beverages.

The manufacturer does not specify that these glasses are lead-free. If this is a primary concern for your household, you may want to consider other options.

Absolutely. Thanks to their heat-resistant borosilicate construction, these glasses are perfectly safe for hot liquids, making them versatile enough for morning coffee or evening wine.