This cedar feeder holds over six pounds of unshelled sunflower seeds, two suet cages for pre-packed suet (or you can mix your own -find formula on line www.attractwildbirds.com/feedingbirds/how-to-make-suet.htm), the two acrylic sides allow you to easily visually see how much feed you have left. The approximate dimensions are 17+1/2" x 17+1/2" x 14". It has been assembled with screws not nails.