Polycarbonate cover includes a perch ring and removes easily for cleaning. Built-in ant moat blocks crawling insects. The 3 raised feed ports divert rain, and overflow channels in ant moat prevent rain from overfilling moat and diluting nectar. Hang from included brass rod or post mount on 5/8" wooden dowel (dowel not included). Nectar-level indicator on bowl. Capacity: 8 oz. Dimensions: 6-3/4" diameter x 7-1/4" H. Color: rose. By Aspects.