Thank you for viewing. I purchased this for a Richardson's ground squirrel, but it was too small, so I will give it away. It is unused, but please understand that it has been stored at home. Height can be adjusted. Width 21cm x Height MAX 28.5cm. When stopped at the lowest position, height is about 22.5cm. The width of the wheel is about 8cm (3rd photo). The stand is acrylic, and the vinyl has not been peeled off, so I think it's the dirt on the vinyl (5th photo).