Fully functional birdhouse. Removable back wall. Properly drains and is ventilated. 1-1/4" hole to accommodate smaller birds. Constructed of durable, outdoor plywood. Our Williamsburg Cottage Birdhouse places a magnificent summer home right in your backyard. Inspired by the East End of Long Island, this detailed retreat coddles visitors with two separate nest boxes, an airy wraparound perch, hanging flower baskets, and shingled roof of Western Red Cedar. . . . . . Outdoor, water-based, non-toxic paint .