This great little feeder is extremely well made from strong, durable materials so you and the birds will enjoy it for years. Sides and top are of Poly-lumber, made from recycled plastic that will not crack, split or fade. The wire mesh and screws are of stainless steel, and the 15″ hanging cable is coated in vinyl. Hinged roof opens easily for filling with peanuts or sunflower seed. Attracts clingers such as Nuthatches, Pine Siskins, Wrens, Grosbeaks, Chickadees, Titmice and Woodpeckers! 7″ H x 6″ W.