Looker Products has been a leading manufacturer of bird feeders and bird related products for 27 years. Our complete line of over 80, high quality and unique products include: bird feeders & houses, bat houses, owl house, bird baths, hanging tray feeders, window feeders & house, specialty feeders, suet feeders, ground feeders, and squirrel feeders. Lawn & garden products include a folding leaf cart & mole control! Looker Products has been a leading manufacturer of bird related products for over 20 years. The house is made out of cedar with a one piece plywood back to eliminate heat lose through cracks. The house is fully caulked and screw constructed. Holds 600 bats. Made to The Organization For Bat Conservation Specifications Measures 24 x 21 1/2 x 7.