[Product Information]

• Set of two Sun's Tea 16-ounce double wall glass tumbler. Made of lead-free high quality borosilicate glass. (not plastic)
• These double wall glass tumblers are designed for your everyday use， sturdy and durable， passed freefall ice ball impact test from 12 inches height.
• Insulated tumblers keeps cold drinks cold and hot drinks hot，the outside surface always feels comfortable in hand.
• The Ultra Clear double walled glass tumblers are perfect to use as clear coffee mugs (and thermal coffee mugs)， glass beer mug ， juice glasses etc.
• Dishwasher and microwave-safe. 6 month manufacture warranty.