The Perky-Pet The Preserve Feeder features a decorative metal top feeding ports perches and holds up to 3 lb of seed. The patented diamond-shaped barrier allows birds in and keeps squirrels out. The clear shatter-resistant plastic reservoir makes it easy to monitor seed levels. Remember to clean your feeder once every two weeks with mild soap and water solution. Perky-Pet is the leading supplier of Wild Bird Feeders and Accessories. Perky-Pet Wild Bird Feeder models lure the bird in pursuit of seed providing you with hours of joy as random wild birds flock to feed at your house.