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! This house holds up to 100 bats. The house is made out of cedar with a one piece plywood back to eliminate heat loss through cracks. The house is fully caulked and screw constructed. Made to The Organization For Bat Conservation Specifications.