Audubon Kay Home Product's Squirrel-Resistant Caged Tube Feeder Cage prevents squirrels from reaching ports and the clear tube keeps the seed levels visible Holds 1.75 lbs. of mixed seed; Internal stainless steel seed diverter keeps seed flowing; Two small holes at bottom of tube keep seed ventilated Copper plated grid cage, polycarbonate tube & seed catcher base helps this feeder weather the elements without chipping and fading Roof lifts open for quick filling and cleaning; The overhanging roof provides protection from inclement weather A National Audubon Society Licensed Product