The 1341 Small Yellow Indestructible Pipe Bell from Bonka Bird Toys is a durable bird pleasing bell! It’s made of a thick powder-coated steel that is super tough and durable. The clapper is welded inside the bell and designed so that birds cannot break it off of the bell. The bell and link chain are made of a thick powder-coated steel that is super tough and durable. The bell comes in one of five (5) bird enticing colors – yellow, red, purple, green, and blue!