Our 18K PVD Coated Stainless Steel Heart Beaded Necklace boasts a charming and engravable heart charm for an individualized style, making it a versatile, stylish and fun keepsake for years to come! Great for custom engraved jewelry and creating your own personalized engraved necklace designs with these stamping blanks! ✦ Strong, durable, and don't easily break. ✦ 316L Surgical Grade Stainless Steel will never fade, tarnish or turn skin green, even when worn in the ocean or pool. ✦ Hypoallergenic, so don't worry about any breakouts or rashes! ✦ A great alternative to .925 Sterling Silver. Approx. Weight: 26.8 grams Approx. Bar Dimensions(mm): 16mm x 14mm Approx. Chain Dimensions(Inches): 18"+2" x 4mm