Pool Art are emblems that decorate your pool floor. The image appears to be painted on your pool floor, but that is just an illusion. Actually, you simply set one of these colorful emblems on the water and push it to the bottom. Its weight keeps it there, no adhesives needed. To remove, just lift it off.The product is made of materials that protect the image from the harsh environment of a swimming pool and enable the image to sink to the bottom of the pool. 8.25" x 12.5"