*KeyFeatures*Built to Last and Secure: This cat exercise wheel is made from solid multi-layer wood (birch and poplar) with a 0.5"/12 mm thickness and an ultra-narrow 0.2" gap to prevent paw injuries. The widened base and running track deliver added stability. It offers many health advantages to cats, such as mitigating obesity risks and enhancing joint flexibility, ensuring their contentment.*Tranquil and Noise Reduction: Equipped with an integrated silent wheel and a bottom noise-reduction, this double noise reduction design creates a quiet and pleasant exercising environment for your pets, while also improving the indoor atmosphere.*Suitable for All Cat Sizes: With an external diameter of 52 in/1320 mm and an internal diameter of 46.85 in/1190 mm, this cat wheel accommodates cats of all sizes, supporting feline friends up to 30 lbs. It allows your cats to stretch and roam freely, enabling them to release their energy to the fullest.*User-Friendly Design: Easy installation with pre-installed expansion screws and wheel, saving you valuable time. Included accessories like gloves, a screwdriver, and a cat teaser add extra convenience. This cat treadmill is a breeze to clean with a non-scratch detachable looped mat, easily spot-cleanable with a cloth or sponge.*Versatile Cat Wheel: Featuring a locking mechanism to keep it steady, this cat running wheel is adaptable for interactive cat play, as a cat resting place, and as a furniture piece. It can be set to a stationary mode for cats running and spinning, allowing them to climb and take a nap. Cats can also frolic, chase, and keep themselves entertained!*SpecificationsItem Model Number: 4.0 XXLMaterial: Birch and Poplar Multilayer PlywoodTrack Width: 11 in/280 mmTrack Length: 148.8 in/3780 mmBase(W & L): 13.4 in, 41.3 in (340mm, 1050mm)Suitable Cat Weight: 18-30 lbsWeight Capacity: 190-220 lbsProduct Weight: 17 kg/37.5 lbsProduct Size (L x W x H): 52.1x13.4x55.7 in/1320x340x1415 mmOuter Diameter: 52 in/1320 mmInner Diameter: 46.85 in/1190 mm*Pakcage Content1 x Cat Exercise Wheel1 x Gloves1 x Screwdriver1 x Cat Teaser