Sturdy & Safe Build: This cat exercise wheel is made of 12mm thick medium density fiberboard, with an ultra-narrow 0.2-inch gap to effectively prevent paw injuries. The widened base and runway enhance overall stability. It helps cats reduce obesity, improve joint flexibility, and keep healthy and comfortable. Double Noise Reduction Design: Built with an integrated silent wheel and bottom noise-reducing structure. The dual mute design ensures quiet pet exercise without disturbing noise, maintaining a comfortable indoor environment. Fit for Most Cats: Designed with 910mm outer diameter and 800mm inner diameter, this cat wheel fits all cat sizes and supports cats up to 13 lbs. It provides ample roaming and stretching space for cats to fully release daily energy. User-Friendly & Easy to Clean: Pre-installed expansion screws and wheel simplify assembly and save time. Equipped with practical accessories including gloves, screwdriver and cat teaser. The detachable scratch-resistant looped mat is easy to wipe and clean daily. Multifunctional Versatile Design: Comes with a locking mechanism for stable stationary mode. It works as a cat exercise treadmill, resting perch and decorative furniture, allowing cats to run, climb, nap and play freely for self-entertainment.