Eco-friendly Wholesale Color Changing Reusable Cups are the best gift for your children, families, and friends, perfect for your party, too.
When you add your favorite cold drinks and ice cubes to these plastic cold tumblers, a Plastic reusable plastic magic cup will happen to change colors. TIPS: Pour ice cubes and drinks into the cups at normal temperature and they will change color, the temperature under 10°C will change the cup's color also(Especially in winter).
These 20oz 16oz reusable PP plastic cups, lids, and straws are made of high-quality food-graded materials, BPA free, and easy to clean, even if putting these reusable cups in the dishwasher is safe. Please cover the lid with a little strength for splash-proof.