A must have for your bird! This unique multi tier perch provides fun and entertainment while exercising your bird"s feet. Made of hardwood, Islandwood perch is great for multi bird use, or perfect for the single bird who wants plenty of room to climb and move around. Each perch varies in size and shape. The small measures approximately 8"-12" long and 1"-2" diameter, the medium is 12-"18" long and 1"-2" in diameter, the large is 12"-18" long and 2"-3" in diameter.