Glass Coffee Mug Double-walled Borosilicate Glass Cup for Hot or Iced Coffee, Milk, Tea (16 Oz Bamboo Lid)

glass mugs burst when using, there’s a small round hole on the bottom that allows the glass to breathe in the process. It is sealed, the water would not go in! IDEAL CAPACITY: 16-Ounce; perfect for serving tea, coffee, whiskey, juice and others. ELABORATE DESIGN: Durable double layer construction remains cool and prevents condensation. TOP QUALITY: made of lead-free borosilicate glass, it’s heat-resisting and brilliance. Absolutely no air bubble on the walls. (up to 520°F ) SAFE WASHING: safe for dishwasher and microwave use; not for use with metal utensils WARM REMINDED: There is a small hole in the bottom of the cup, which is the unique trace of the manual blowing process.Not a flaw.

• 16-Ounce; perfect for serving tea, coffee, whiskey, juice and others.
• Durable double layer construction remains cool and prevents condensation.
• There is a small hole in the bottom of the cup, which is the unique trace of the manual blowing process.Not a flaw.
• Made of lead-free borosilicate glass, it’s heat-resisting and brilliance. Absolutely no air bubble on the walls. (up to 520°F )
• Safe for dishwasher and microwave use; not for use with metal utensils