Women's Collar Necklace Set. Tribal Silver Metal Omega Chain Solid Collar Necklace Featuring Artisan-crafted Vivid Red Resin with Foil Inlay and Stone-Like Silver Details. Resin Detail Measures 3.25" x 2.25". Collar Measures .75" wide. Lobster Clasp Closure. Includes Matching Hammered Button Stud Post Backing Earrings.