PP Color Changing Straw Cup

Both the lid and the cup use food grade PP, non-toxic and environmentally friendly, please rest assured to use. Pour water or ice water below 15 degrees will automatically change color. When the temperature is low, it will automatically change color. Pour warm water will change back to the original color. When the external environment temperature is high, it is recommended to put ice cubes, for better color change. Perfect for coffee, tea, water, milkshakes, great for all kinds of occasions such as birthdays, themed parties, gyms, offices and everyday use. Your logo or design is welcome. 4 11/64″ W x 6 31/32″ H