Color changing cold drink cups with built-in straw and lid are made of high quality food grade pp, healthy and reusable. Just add ice water or cold beverage then the color of the body of the cups will change immediately! 24 oz cup size, large enough to meet daily drinking needs, easy to drink and carry out. Colorful, completely BPA-free party cup are suitable for fruit juice, tea, coffee, smoothies, milkshakes, also perfect for kind of occasions, such as birthdays, weddings, themed parties, pool parties and everyday use, also great gifts for family and friends! 7” H x 4” W