Nixie Metal butt plug sets. Pom pom and jewel inlaid. Smooth metal tapered shaped. Nickel free aluminum alloy. Comfortable plug stays in place. Flared base for easy retrieval. Easily warmed or cooled. Body safe and phthalate free. Set contains 2 sizes: 1 small (2.8 x 1 inch) pom pom plug. 1 medium (3.2 x 1.3inch) jewel plug.