Two silicone anal toys: graduated butt beads and petit 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. Silicone s soft texture becomes slick when lubricated. Silicone is durable, nonporous and hygienic. Large pull ring. Waterproof. Phthalate free