Dainty Gold Heart Necklace, Minimalist Jewelry, Birthday Gift, Waterproof Necklace, Sweetheart Charm Necklace, Natural White Shell PRODUCT DETAILS --Lead-free and Nickel-Free, a great choice for sensitive skin --Hypoallergenic --Tarnish-Free --WATERPROOF and SWEAT-RPOOF --Material: 18k Gold Plated Over Stainless Steel --Size: Chain is 16 in + 2 in extender, Heart is 0.4 in (11mmx12mm) SHIPPING & PACKAGING Our jewelries are well packaged with care and will be shipped out within 1-3 business days