Universal design easily attaches to habitat defined bird cages and most other wire cages. Designed to work with the enrichment pods. The perch fits around the pod to provide a perch for activity and exploration. Ideally suited for parakeets, cockatiels and other small companion birds. The perfect perch to provide a resting place while your bird interacts with the enrichment pods. U-shaped perch, extends out 4 to 4.5 inches from the wire wall. 1 PACK