Swarovski Crystal 20mm Clear Crystal Ball Prisms 8558-20 Crystal glass and all other materials containing 0.009% lead or less 20mm=.79 inches Can be used as Accents, Ornaments, Sun catchers, Party Decorations, Chandelier Accents And More. Great for Weddings, Baby shower, Christmas Tree Decorations, Chandeliers, Art Projects, Jewelry Making, Necklaces, Great Gift for House warming and Suncatcherst Brand: Swarovski Strass