20 oz. Double Wall Glass Tumbler
- Lightweight Borosilicate Glass Cup: Constructed from the highest quality borosilicate glass to ensure maximum durability. Tumblers are thermal shock resistant, strong and durable. Soft silicone wrap provides additional insulation and protection. No need to worry about scratching or shattering. BPA Free & Food Safe: You Don't Have to Worry About Plastic Chemicals Leaching Into Your Drink!