12oz Color Changing Tumblers With Lids And Straws What do you get: 10* color changing cups with lids and straws, include 10 type of colors 2 * cup cleaning brush 2 * Straw brush Tips: The reusable plastic color changing cups are temperature sensitive, so pour in cold water or iced beverage (under 53 ºF) , you will find them change colors funny. When the temperature is low or you put cups in the fridge directly, the drinking cup will automatically change color. you can pour hot water, then it will change back to the original color. Please press down the lid on the cup top with a little strength until you hear click when you use, the splash proof lids will reduce spills. Product Features: High Quality And Food-Graded Material: 12 oz color changing cups are made of high quality materials, they are bpa-free and convenient to clean. No worries about kids when they use. Perfect For Kids And Little Hands: The drinking cups with lids and straws are safe, unbreakable and easy to hold for small hands, so they are convenient to drink water, juice, milk and smoothie for kids. Easy To Take And Reusable: The plastic cups are reusable and stackable, so you can easy to take and save them with straws and lips when you go vacation or travel with family and friends. Multi-Colored These reusable cups have ten type of colors, it’s perfect choice for beach vacation, family party, daily dinner. You can take them in outdoor. Enjoy the colorful life.