Easy to Fill: Our fat ball feeder has a round lid that opens to refill 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 . Material: Made of metal, it is not easy to be crushed and deformed, the seams are tight, and can be hung outdoors for a long time without worrying about rusting. It's not just a Fat Ball Feeder that attracts birds, it's a gorgeous addition to your garden. Proper Capacity: You get 4 pcs black Fat Ball Bird Holer with 4 pcs 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 bread can be accommodated. This can prevent bird food from deteriorating and moldy due to long-term storage outdoors, and it is also convenient to disperse hanging feeders to attract , such as woodpecker sparrow, robin Wide Application: These fat ball feeders are perfect for supporting outdoor wild birds when foraging in spring, summer, autumn , winter. All animals, whether squirrel, , thrush, crow, sparrow, jay, woodpecker or , be helped. The feed screw allows quick pecking. size: long About 20cm Material: Metal colour: 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 +/- 1-3cm.