Crafted exclusively in Natural Finish, Xs20 cymbals are available individually and also in sonically matched sets. Xs20 cymbals contain 20% tin--considered the maximum for the best durability and musicality. Sabian's secret process, used to combine 20% tin with 80% silver-bearing copper, produces no better metal. All B20 cast bronze cymbals are quality-protected by Sabian's one-year warranty--a great deal considering these products are hit on all night long!