A very nice nest box, which is high-quality workmanship. It comes fully assembled and should really only be hung. The galvanized sheet metal roof is very convenient as it protects the whole box. The entrance hole is available in two sizes and is supplied for easy replacement. The box can be easily opened from the front for cleaning. Believe it or not, I ordered 4 nesting boxes for our garden and while I was at no. 3 with hang an already suspended box was inspected by a bird feeder and followed on the same day. I think that speaks in each case for the box or for extreme Bird housing in the vicinity of our garden ...