Amulet Cosmic Balance Energy Yin Yang Dog Tag Simulated Black Onyx Pendant 18 Inch Necklace Best Amulets Collection. Amulet Cosmic Balance Energy Yin Yang Dog Tag Simulated Black Onyx Good Luck Charm Spiritual Powers Pendant 18 Stainless Steel Necklace Amulet Cosmic Balance Energy Yin Yang Dog Tag Simulated Black Onyx Pendant 18 Inch Necklace Tag Charm Size: 30 X 20mm (1 1/4 inches long). Made from Simulated Black Onyx to Show More Perfection and Beauty. Setting is made from Stainless Steel. Ready to Wear with Beautiful 18" Bead Style 2.5mm diameter Stainless Steel Chain Necklace. Comes with Branded Packaging