A. Color-changing cups: By adding cold water or iced drinks to these plastic cold drink cups, you may notice an interesting color change. When the temperature is low and below 53 degrees Fahrenheit, the cups can automatically change color. B. Suitable for children to hold and a good choice for personalized gifts: The size of the color-changing cups is quite suitable for children and small hands to hold. It is also a nice gift for toddlers, and you can customize the cups by pasting adhesive films. C. Convenient for travel with a splash-proof design: These reusable cups come with lids and straws, are stackable and not prone to breakage. The splash-proof lids can help reduce spills. So they are rather convenient to carry and store when you go on vacation. D. Safe in quality and easy to clean: The 12-ounce reusable bulk cups are made of safe materials and are free of BPA. The cups for children are also relatively easy to clean after use, which is both safe and convenient. E. Ten fun-colored cups for sharing: The plastic drink cups with lids and straws are well-suited for family gatherings, barbecues, home use, and summer beach vacations. You can take them when having outdoor activities with your family and friends, and your friends may think they are cool and interesting.