Guests will have a blast watching these Red Color Changing Mood Tumblers turn from clear to red.
Get ready for some fun with these Red Color Changing Mood Tumblers that start out clear and change to red when you add cold liquid. The 5 5/8 inch high double-wall insulated clear plastic tumbler will change to red and match the straw. Each 18 ounce Red Color Changing Tumbler includes a clear snap-on lid and a color-matching straw.
Intended for cold beverage use only.