Jennifer Dahl Designs LLC Our two-sided soldered charms are hand soldered in our Minnesota studio. Materials: glass, paper, lead free + jewelry grade solder. Dimensions: Soldered charm 1/2" x 2". Ball chain: 30" with ball chain connector Freshwater Pearl Please note: This listing is for one piece only. The photos show both the front and back side of the charm. "Through The Looking Glass" Literary Book Charm Necklace.