All-Metal Bird Feeders: Our bird feeder is made of quality metal, the construction is strong and durable, which can withstand the sharp claws of birds and prevent squirrels from breaking. Waterproof coating to against the weather and outdoor elements Squirrel Proof & Deter Large Birds Proof: This caged bird feeder is designed specifically for small birds, with a opening average size of 1.57 * 1.57IN. This can effectively prevent squirrels and medium & large birds from entering Easy to Refill & Clean: The wide opening and detachable lid. Lift the bird clip lock, open the lid and pour the seeds in. Then re-close the lid and lock the bird lid, and hang the bird feeder. 16 drainage holes on the bottom tray to keep feed fresh Retractable Design & Large Capacity: Our wild bird feeder can be retracted up and down. When the bird feeders is extended, it can hold more seeds, and you can put mixed seeds and nuts, peanuts, safflower seeds etc., into it to help attract different birds Great Gift Choice: Premium quality squirrel-proof feeder attracts a large number of birds to your yard. This cardinal bird feeders also makes a great gift for bird lovers, gardeners and anyone who enjoys beautiful enjoyment, add fun to the life of people Attracting more birds to your garden Creating a great bird-feeding experience, watching bird full of comfort joy to eat and play. Share happiness of bird watching with your family Keeps Large Birds Away while Allowing Smaller Birds to Feed: Offering maximum protection and comfort for small birds. This feeder Opening size is: 1.57*1.57 inch, so squirrels and starling can't gain access to the seed supply. Multi-Purpose Bird Feeder: Put in different seed/foods to attract more birds. Comes with stainless steel wire for easy hanging. Metal Design: Squirrel resistant durable steel cage prevent squirrels chewing and entering the feeder. 360° Eating Platform: More space can satisfy for multiple birds to feed from different angles. Wild birds have a natural sense of self-protection. Generally, birds will take a week or even longer to confirm whether the environment inside the cage is safe. So we suggest placing some seed around the bottom tray to attract birds to quickly explore and adapt to the cage bird feeder.