Length 36 , diameter 2.5 , capacity 3.5 pounds 20 ports. Aluminum perches can not be chewed. Openings for nyjer seed are designed to dispense seed economically. Top assembly easily removed for cleaning. Zinc die cast tops, bases, and ports to last a lifetime. Powder coated finish won t chip or fade. Stainless steel wire squirrels can t chew.Size is 36 Inch. Dimensions are 39.75 X 5.5 X 5.5 UPC Code = 021964410827