brand new and high quality Features: Cold Drink Tumblers that wondrously transforms as the temperature drops will impress your family and friends. These plastic color changing tumblers cups will change color after adding your favorite cold drinks and ice cubes in. TIPS: Pour ice cubes and drinks in the cups at normal temperature and it will change color, the temperature under 0F will change the cup's color. Made of high-quality food-graded plastic materials, Reusable and environmental friendly, BPA free and easy to clean, even if these plastic cups are placed in the dishwasher and freezer safe. The plastic cups with lids and straw are splash-proof. They are sturdy and won'for t leak easily. You can make sparkling water drinks, bubble cups, smoothies cups, cream cups. Blank personalized tumblers that you can adhere your favourite adhesive vinyl works on these reusable color changing cups, great for children's operation ability. 25oz straw tumbler cups are the most comfortable size to hold for adult and kids. Stackable cups with lids are convenient to carry them to any activities, like reunions, birthdays, camping, weddings, bachelorette parties, music festivals and more. Specifications: Material: Plastic Size and Color: As pictures shown Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Color Changing Cup (other accessories demo in the picture is not included.)