With the Perky-Pet Black 2-in-1 XL Tube Feeder, you can satisfy the appetites and preferences of any bird species that visits your backyard! With the feeder's 2-in-1 Swivel Ports, you can easily switch from Nyjer to mixed seed, or any other seed type with a simple swivel. Throughout the year, you can easily change the ports as needed! With more seed options to choose from, you'll be able to attract more species of birds to your yard. The XL-sized feeder boasts a 4 lb capacity for seed or Nyjer / thistle, which is sure to keep your backyard birds well fed. Plus, you'll be able to feed a large flock of birds at once with the six feeding ports, each of which is paired with a comfortable U-shaped perch. With all those birds, you're in for a spectacular view! The 2-in-1 Tube Feeder is constructed of shatter-resistant plastic to ensure durability. The clear plastic also allows you to easily monitor seed levels so you never run out during peak feeding times.