Easy to fill: The fat ball holder has a round lid that opens so you can refill the fat balls, and a small loop on the opening to hold the lid securely in place so it does not open by the bird. REPRESENTATIVE FOR HIGH QUALITY: These bird feeders are made of high quality metal, they are not easy to crush and deform, the seams are tight and can be hung outdoors for a long time without worrying about rust. The dumpling holder is not only a fat ball feeder that attracts birds and is also a beautiful addition to your garden. Correct capacity: you will receive 4 pieces of black bird feeders with 4 pieces S-shaped hooks (diameter: 7 cm, S-hook with chain: 12.5 cm), which are suitable for feeding multiple birds at the same time. Suitable for a ball food: bird feeder ball can only accommodate a spherical feed or fat balls or half a bread. This can prevent bird food from spoiling and moulding due to long-term outdoor storage, and it is also convenient to sprinkle hanging feeders to attract more birds such as woodpecker, woodpecker and robins Wide application: these hanging metal bird feeders are perfect for supporting wild birds outdoors when looking for food in spring, summer, autumn and winter. All animals, whether squirrels, blackbirds, thrushes, crows, sparrow, squirrel, woodpecker or robins are helped. The feed screw allows fast picking.