Heavy-duty Cat Exercise Wheel fits all sizes, with a widened base for stability and supports up to 110 lbs—perfect for energetic cats’ daily exercise.Ultra-quiet and safe design: narrow gap and rounded corners prevent paw injury; upgraded rollers ensure silent operation, even at night.Removable carpeted catwalk offers strong grip for stable running and doubles as a marking surface to satisfy cats' instincts and protect furniture.Superior 12mm wood construction is durable and mark-resistant; quick, tool-complimentary assembly with pre-drilled holes and clear instructions.Modern cat gym reduces obesity and boredom, improves flexibility, and includes a free plume toy; sleek style blends with any home décor.