Your pet deserves the best! Large Pet Silent Treadmill with Carpeted Runway Safety latch/Stable load-bearing This treadmill consists of a wide base and large round wheels with good stability, suitable for cats of all sizes to exercise and play. Not only does it protect their health, but it also reduces their boredom. Safety lock design, motion unlocking, closing the door at night, free control of cat movement, increasing pet safety. Safety Lock Design Premium Safe Material Super Quiet Running Comfort Runway & Easy Cleaning Extra Fun and Easy to Assemble Friendly Material Healthy material, hard material and strong load-bearing, balanced force, durable Safety locking buckle Safety locking buckle design, movement unlocked, closed at night, free to grasp the movement of cats to increase pet safety Microgaps Microgaps, safety is reliable, no longer worry about pet paws being caught, the Comfortable and replaceable runway Comfortable and replaceable runway, dirt-resistant fabric, washable; velcro design, replaceable