Rainbow ion plated stainless steel chain with lobster claw clasp. This look is available in a 21.5" snake chain or 24" round box chain version. 

Snake chain size: approx. 21.65 inch long, 1mm wide, clasp: 10 x 7 x 3.5mm.

Note: Plated stainless steel items are much more sturdy than brass and meant for long wear, exposure to water and daily elements.