PMH24-24-PC Height 55" x 23" Wide This beautiful Purple Martin House is constructed of PVC Board with patina copper roof and finial.  Copper is finished with exterior lacquer to maintain its patina color finish.  The roof is removable for cleaning nest box areas.  Should be mounted with 6"x6" wood post. Mounting brackets are adjustable for post width.  6" vinyl sleeve available as separate purchase. This birdhouse has 24 separate compartments and holes.  1 7/8 diameter holes.