Gold Filled Heart Charm Material: 18kt Gold Filled Size: 10mm x 14mm Price per charm __ Our Gold-filled jewelry is composed of a solid layer of 18kt gold mechanically bonded to a base metal. Our Gold-filled pieces have the same appearance as solid gold. Gold Filled jewelry can last 10 to 30 years if proper care is taken. We recommend the product care instructions below to make your jewelry last even longer. Product Care: -Apply beauty products such as perfume, hairspray or deodorant before wearing your jewelry as certain chemicals in these products may damage the finish. Always remove your jewelry before swimming, bathing, doing household chores or using abrasive cleaners.