Easy to fill: Our fat ball feeder has a round lid that opens to fill the fat balls and a small loop at the opening to securely hold the lid in place to prevent it from being opened by the bird. Durable material: Made of high-quality metal, it is not easy to crush and deform, the seams are tight and can be hung outdoors for a long time without worrying about rust. It is not only a fat ball feeder that attracts birds, it is a wonderful addition to your garden. Proper capacity: You will receive 4 black fat ball feeders with 4 S-shaped hooks; S-hook with chain, suitable for feeding multiple birds at the same time. Suitable for one fat ball: Only one fat ball or suet ball or half a loaf of bread can be accommodated. This can prevent bird food from deteriorating and molding due to long-term outdoor storage, and it is also convenient to spread hanging feeders to attract, such as woodpeckers, sparrows, robins. Wide range of uses: These fat ball feeders are perfect for supporting wild birds outdoors when they are looking for food in spring, summer, autumn, winter. All animals, whether squirrel, blackbird, thrush, crow, sparrow, magpie, woodpecker or, will be helped. The feeder screw allows for quick pecking. Size: approx. 20 cm long Material: Metal Color: black Package contents: 4 x Bird feeder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.