Brome 1015 Squirrel Buster Classic Garden, Lawn, Supply, Maintenance Squirrel-proof bird feeder holds up to 1.4 quarts of bird seed Weight of squirrel closes access to seed ports; negative grip tube for added protection Squirrels are blocked, but not harmed; attracts wide variety of clinging/perching birds Place feeder just about anywhere; easy to fill and clean Measures 4 by 4 by 21 inches; 2-year hassle-free warranty