Made of 7/8" durable cedar. Has a 5" x 5" base and a 1 9/16" hole centered 6" above the floor. Assembled in the U.S. by hand with screws (not nails) to withstand temperature changes. Features an added predator guard on the front to deter predators. A 1/2" air ventilation gap is provided at the top as well as a drain hole at the base. Front panel opens easily for viewing or cleaning. Measures approximately 7" D x 7-1/8" W x 15" H.