Perch: Approximately 12cm long, approximately 15mm thick Height: Approximately 12.5cm Depth: Approximately 7cm Inner fabric: Cooling material Stainless steel screws are used. A plastic ring is included. It will be folded for packaging. Please iron out any creases. Reference: My bird (Pacific Parrotlet) didn't want to go in at first, but once I put a millet spray inside, it learned to go in right away. Now it always sleeps here. Please consider this handmade item with the understanding that it is handmade.