The Droll Yankees Ring Pull Easy Clean Sunflower or Mixed Seed Bird Feeder 1 lb. (RPS15B) is an advanced anti-microbial technology feeder that effectively fights the growth and rapid spread of damaging mildew, mold and bacteria. It comes in a midnight blue color and it is made of UV-stabilized poly-carbonate, stainless steel bail wire and rust-proof metal parts. It is designed with heavy duty construction for a long lasting use. Additionally, the feeder is very easy to clean and fill. It does not require any tools to dismantle the unit. In just a few seconds, you will be able to take off the cap and pull the metal rod to remove the ports and feeder. Product is capable of holding 1 pound of sunflower or mixed seeds.