Audubon Squirrel-proof ABS plastic mixed seed wild bird feeder with four seed ports. Metal gridwork cage effectively keeps adult squirrels out of feeder. Holds one quart of seed. Totally enclosed in a sturdy powdercoated steel cage. Squirrels and large birds like bluejays, morning doves and grackles can’t get at the seed, but most song birds can. 10 x 10 x 16 inches