The Perky-Pet Sunflower & Peanut Bird Feeder features durable metal construction that will stand up to the elements while faithfully serving your backyard birds. Birds are invited to cling to the perforations located around the entire perimeter of the black metal feeder tube. The perforated feeder tube keeps the seed level visible. Simply lift the feeder cap up the included hanger to fill the tube with 1.25 lb of seed. This sturdy wild bird feeder will provide lasting enjoyment season after season.