Easy to fill: The fat ball holder has a round lid so you can fill it with food. A small ring on the opening keeps the lid in place so that it cannot be opened by birds. Durable material: Made of high-quality metal, the hanging bird feeder does not is not easy to be crushed and deformed, and the seams are tight, you can hang it outdoors for a long time without worrying about rust. It is not only a fat ball feeder that attracts birds, it is also a beautiful addition to your garden. Value combination: Package includes 4*outdoor metal bird feeders and 4*S-shaped hooks. The feeder measures 7cm in diameter and the hook 12.5cm long. The value combination is suitable for feeding several birds at the same time. Suitable capacity: Only holds a fat ball or half a loaf. It can prevent bird food from spoiling and moldy due to long-term storage outdoors, and it is also convenient for scattered hanging feeders to attract more birds, such as woodpeckers, robins, etc. Wide use: Perfect for supporting outdoor wild birds when foraging in spring, summer, autumn and winter. All animals, whether squirrel, black bird, thrush, crow, sparrow, jay, woodpecker or red hoopoe, will be helped. The hollow design of the feeder allows birds to peck quickly.