Platinum cured medical grade silicone Nonporous and easy to clean Can be boiled or placed on top rack of dishwasher Flexible but firm graduated design Ringed balls deliver extra sensation Two-finger handle for a simple, no slip grip Silicone can be frozen for sexy chills or microwaved in 3-second intervals for hot thrills Waterproof and Phthalate free Insertable Length: 8 inches