The WUQIAO Cat Exercise Wheel takes a unique method with its style and design to this exercise toy. Most of this wheel is manufactured from corrugated paper, rendering it environmentally friendly. Your cat can climb on this toy, scratch it until its heart is content, and get necessary exercise. https://alexisvtrol.jts-blog.com/26365955/the-greatest-guide-to-cat-exercise-wheel-treadmill