The Run Home's 13.1 LOVE Half Marathon Necklace features a Pewter Heart Charm and a Round Pewter 13.1 Pendant on an 18 inch gunmetal chain. Small Puffed Heart Charm measures 9x6x4 mm. The Run Home's Exclusive Pewter 13.1 Pendant measures 7/8 inch Round. Heart Charm and Round Pewter Pendant are attached to one gunmetal jump ring. Every necklace, key ring and ornament from The Run Home comes in a stylish black jewelry box tied with a cute silver bow.