Pure Solid Stainless Steel The ring is good and safe to wear in any condition, suc has sports, swimming, fishing etc. Two-in-one Set, Nickel Free, Hypoallergenic. Safe to Wear in Water. You can either wear anyone or both of the rings. Gift box is NOT inlcuded. Pure stainless Steel, Strong and Durable Two-in-one Set, Nickel Free, Hypoallergenic. Gift box is NOT inlcuded.