The hearts feature a subtle hammered texture. Metal is made more brilliant and stronger with hammering, and these hearts can be a sweet symbol of the strength of our love and our loved ones. They are simple, elegant, cute, clean, minimalistic, and classy. These tiny hammered heart necklaces are sure to delight - they are the perfect gift for moms, moms to be, and grandmothers, especially for Valentine's Day and anniversaries. These sweet heart necklaces are made of high quality gold filled or sterling silver, which are both lead-free, nickel-free and hypoallergenic.