The Acorn Squirrel Proof Suet Ball Feeder features a durable powder-coated steel cage designed to protect smaller birds while effectively deterring squirrels and larger birds from accessing the feed. Measuring 23 cm in height and 17 cm in diameter, this feeder provides a secure feeding environment that helps support your garden’s native bird population with minimal disturbances. Its robust construction ensures long-lasting outdoor use in various weather conditions.