Sparkles has all stainless steel parts with the exception of the five small acrylic beads in the middle of each leg and the acrylic spool at the top. The chain is 1.6mm with washers on the bottom of each leg and and on each side of each acrylic ball. It is a less noisy toy and is more suited for smaller birds because of the smaller o-rings are not welded. Comes with a 3.5mm wide jaw SS quick link. Total length of toy is about 6 inches long.