The wheel has sisal on the inside and out but whilst the cushioned pads might be taken off, the carpet can’t. The wheel has a twenty-inch diameter, so is actually only well suited for smaller cats and kittens, and it'll keep a utmost cat fat of fifteen pounds. Customizable https://treadmillwheelforcats69123.blogitright.com/26938549/a-review-of-wheel-treadmill-for-indoor-cats