Features: Reliable metal bird feeders made of iron. They're sturdily enough to hanging while fully supporting the weight of the food. Remove the top lid to easily fill each wild bird feeder. Then, simply hanging them on tree branch or anywhere your want in your backyard and wait for birds to arrive. The birds feeder adopts viewing designed, it is easy to observe the internal food and replenishs food, attract more birds to enter your yard, and add vitalities to your yard life. The classical feeder can easily and quickly attract hummingbirds and others birds. Attract more birds and make life interesting. Powerful hook designed, the metal-hook makes it firmly fixed on tree, even in bad weather, it can remain fixed. Specifications: Material: Iron Diameter: Approx. 7cm/ 2.75in Height: Approx. 9.5cm/ 3.74in Note: 1: Please allow 1-2cm errors due to manual measurement, ensure that you-do not mind before you-order. 2: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4pcs Outdoor Bird Feeding Cage