The Perky-Pet Seed Bunker Wild Bird Feeder features an all metal tube, perches, perch hood and lid which provide maximum durability against squirrels. This robust and long-lasting feeder can withstand most weather elements and can be used year round. The feeder has a 1.5 lbs. seed capacity and features four feeding ports. Remember to clean your wild bird feeders every two weeks with a mild soap and water solution.