This medium sized swing measures 16" long by 4" wide and 16" high and has a solid ash 1-1/4" perch. Comes fully assembled and ready for your bird to enjoy, just hang it from the top of your bird's enclosure, or from hooks securely mounted in your ceiling. The perch hangs from 2 thick nickel plated chains, loaded with pine blocks to keep your bird busy, either inside or out of their enclosure. The blocks can be replaced with a refill pack that is sold separately. Also available with stainless steel chains for an upcharge.