Two silicone anal toys: graduated butt beads and petite butt plug, 4 insertable inches (10 cm) each. Made of 100% platinum cured, medical grade silicone. Silicone can be boiled, frozen, microwaved or placed on the top rack of the dishwasher. Silicones soft texture becomes slick when lubricated. Silicone is durable, nonporous and hygienic. Large pull ring. Waterproof and Phthalate free!