Tumblers are 20oz with a straw and a colorful silicone protective sleeve and a bamboo lid. The material is 100% Borosilicate glass, making it more durable than regular glass and will not crack under extreme temperature changes.
The water bottle can be used for hot or cold beverages.
All parts BPA/BPS free and top rack dishwasher-safe. Do not microwave. Do not freeze.