Product Details: Process: 18K gold plated Material: Copper Size: The inner circumference of the small heart necklace is 46cm (the length of the pendant is 2cm), the inner circumference of the heart of the large necklace is 46-51cm (the length of the pendant is 3.8cm) Weight: about 6g (small) / 16g (large) Minimalist Heart-shaped Gold Plated Jewelry, Classic Heart Pendant Necklace With Adjustable Chain, Classic Heart-shaped Necklace As A Gift For Her, Tarnish Resistant Heart Pendant Necklace For Mother's Day, Tarnish Resistant Heart Necklace For Mother's Day, Classic Heart Pendant Necklace For Her, Delicate Heart Pendant Necklace, Yellow Gold Heart Pendant Necklace For Her, Double Heart Tarnish Resistant Necklace For Mother's Day