... 10mm, thickness 1.0 mm Plating:gold,silver,black, engraving logo Specifications: Multi-function collar stayssize ... , thickness 1.0 mmPlating:gold,silver,black,engraving logo Jewelry Type: Stainless steel collar stays Material ... options: 18K yellow gold, Rose gold, blue , black ,gun metal plating,MOQ: 1000 pcs per sizeLOGO ... your company name or logo for our jewelry items, please provide us with your logo ...