These attractive and innovative 16 Oz. beverage holders change color when you add ice cold liquid; making them ideal giveaways for fundraising events or company picnics. Molded from polypropylene (recycle code 5) and BPA free, these vivid logo backdrops are union made in the USA and dishwasher safe. Perfect outdoor sporting events, tailgates and parties, add your custom imprint and hand them out at your next event!