16" long polycarbonate tube is protected by plastic- coated steel wire fencing to provide a safe feeding area for thistle-eating birds. The tray is securely clipped to the wire cage and increased space between the tube and cage frustrates squirrels. Metal seed ports, cap and base help prevent squirrel damage. Holds 1 lb. of thistle seed. 8 feeding stations, 15.5" tube & 7.5" diameter. Hang or post mount.