Package Content: You will receive 10pcs potty training stickers for toddlers with the patterns that kids like, such as dinosaurs, cars, fire trucks, planes, etc. Each sticker measures about 7cm / 2.75inch in diameter, which is suitable for kid's potties. Reliable Material: Our potty targets stickers are made of premium thermochromic paper and adhesive, sturdy, reusable and long-lasting. They are sensitive to heat, and the fun patterns will appear when exposed to heat. Strong adhesion makes them stick firmly. PVC material cover allows them to wash easily. Fun Potty Training: The patterns on our potty training stickers will appear when exposed to warm pee of kids and will disappear (change back to black) when exposed to cold water. Children are interested in this mysterious and interesting phenomenon, which can help kids use the potty quickly. Easy to Use: Directly remove the backing adhesives and stick the potty training stick on the bottom of potty. After kids have urinated, use cold water to wash the potty. The stickers can be reused for many times. Wide Application: Our potty training stickers are suitable for both boys and girls. Also ideal small gift for your kids or friends' kids.