The 3449 Bamboo Spring from Bonka Bird Toys is a bouncy good time for your friendly chickies! The flexible shape of the 3449 makes it easy to install it in any cage. The quick link attachment at the top of the toy makes for fast and easy installation. The link loops through a colorful plastic chain that continues down through the center of the entire toy. This chain ends in a metal loop with a metal bell hanging. There are numerous bamboo springs strung through the plastic chain. These springs are perfect opportunities for your pet to pull and chew as they spring back to shape and move the toy all over the place. The 3449 Bamboo Spring from Bonka Bird Toys is 100% bird safe and weighs and measures approximately: Length: (11) inches Width: (7) inch Depth: (2) inch Weight: Under (4) ounces Cute springy bird toy. Full of fun bamboo springs. Easy to pull and chew. A refillable chew puzzle of a toy. All-natural Bamboo coil springs. 100% bird-safe materials. Quick link for easy cage placement.