* 5.5 insertable inches (14 cm) of pure silicone* One of a kind brass knuckles give total ramming control* Finger holes fit most; butt plug fits only the experienced* 100% platinum cured medical grade silicone* Hygienic. non porous and becomes slick when lubricated* Super sleek design is easy to clean* Silicone can be boiled. frozen. microwaved or placed on the top rack of the dishwasher* Phthalate free