Designer Crystal Heart EarringsWhat materials are used to make your jewelry? Majority of our jewelry is up cycled from authentic, designer buttons or zipper pulls, and fabric buttons made my hand. The designer buttons are purchased from a third party supplier who claims authenticity. The posts backings used are stainless steel that are gold or silver plated. They are Lead and Nickel free. If you would like any of the button studs made into clip ons we can accommodate! Just shoot us