Single Bar Earring CharmAdd a unique touch to your hoops with this earring charm. It features a vertical bar set with a row of sparkling crystals. This charm is made of high quality gold vermeil, meaning it features a thick layer of gold, at least 3 microns, over a solid 925 sterling silver base. Sterling silver is chosen for its value as a precious metal and its hypoallergenic qualities. The gold layer is significantly thicker than standard gold plating or flash plating,