This tumbler set includes 6 "cold" cups with straws that hold 12 ounces. They come in a set of 6 and include matching cups, lids, and straws. When you fill the cold cups with an iced-cold beverage, the tumblers will change from their original color to a different hue.
- Easy to personalize and decorate at home
- Stackable for easy storage
- Reusable and durable
- Splash resistant lids
- BPA & lead free
- Fits most cup holders
- 4.5"H x 2"W on bottom x 3.2W"
Color change effect is dependent on ambient temperature. For greatest effects rinse "cold" cups in warm water before use. Wash before first use. Hand wash only. No abrasive cleaners. Not microwave safe. Not dishwasher safe. Always use caution when handling hot beverages.