The 1570 Twin Ball From Bonka Bird Toys it's a colorful and pleasing edition for your small-medium-sized pet, two colorful rattle balls are pieced together with colorful plastic discs and it is finished out with a medium-sized bell. They will climb, peck, and chew on this simple but effective toy. The 1570 Twin Ball From Bonka Bird Toys is 100% bird safe and weighs and measures approximately: Height: (11) inches Width: (2.5 ) or ( 2 1/5) inches Weight: Under (5) ounces Entertains with sight, color, and sound. A colorful edition for any cage. All bird safe construction. Quick link for easy cage placement.