A silicone vent at the base of each double-walled latte mug equalizes the air pressure between the two layers of glass when either hot or cold liquid is added. Permeable only to air, never water, the vent enhances durability and will never allow liquids to enter between the two layers.

• Capacity: 15oz.
• Service For: 2
• Material: Glass
• Product Care: Dishwasher Safe
• Microwave Safe: Yes

. Anonymous. . 2024-01-15 15:27:33