I Love You to the Moon and Back Swirl Heart Necklace - 925 Sterling Silver HIGH QUALITY 925 STERLING SILVER: Necklace includes an 18" sterling silver cable chain MAKES A GREAT GIFT: I Love You to the Moon and Back necklace arrives in a gift box HYPOALLERGENIC - NICKEL AND LEAD FREE: Dimensions: 16mm (5/8") diameter SATISFACTION GUARANTEED: We are a US-based family-owned business that promises superior customer service including excellent communication and easy returns. FAST & FREE SHIPPING: Orders leave our warehouse by the next business day