Paradise Toys 4 Bells Ringing, 4-1/2-Inch W by 15-Inch L Large parrots will not easily destroy the 4 by 4 block or the stainless steel cow bells Your bird will pull the chain back and forth delighted with all the commotion 4 Bells and chain are stainless steel, will last and last This toy is especially enjoyed when also made available outside of your birds cage Made with pet safe materials and quick link fastener for easy attachment to cage