5pcs Pee Targets Potty Training Seat Stickers Urinal Training Toilet Color Changing Stickers for Kids Toddler Boys Girl Description: 1. You will receive 5pcs toilet training stickers, with 5 different pattern cartoon, each size of about 7cm in diameter; Each potty rewards sticker is reusable and easy to clean 2. These big toilet stickers are made from thermochromic color changing paper, which is heat sensitive and reveals color upon contact with heat; When it encounters a temperature lower than room temperature, the sticker will turn black and when it encounters a temperature higher than room temperature, a colorful pattern will appear; PVC covering makes it easy to rinse and prevents it from retaining odor 3. The potty training stickers for toilet are easy to use, just peel off the backing and stick it to a clean oil free potty; Go pee in the potty and then enjoy the magic to turn the black sticker into a dinosaur photo; Rinse off urine in cold water and the sticker turns black again 4. The potty stickers make going to the potty fun and encourage positive potty habits for toddlers; The image appears upon contact with urine and disappear on contact with cold water; This magic sticker helps make kids potty training much easier and brings much fun Specification: Material: PVC Color: As Picture Size: 7cm/2.75IN Package included: 5 PCS* Stickers Notes: 1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.