Silver Angel 304 Stainless Steel Pendant/Charm (4 Pack). Use a jump ring to fit a larger size cord or to make the charm hang/dangle flat on any size cord. About 23mm long, 19mm wide, 2mm thick, hole: 3mm.
The stainless steel is usually far more shiny than shown in the picture. Photos of stainless steel taken to show them shinny results in a lot of glare.