The vibrating plug "Ramrod" by Colt is made of silicone. This plug was designed for ultimate pleasure with the ribbed head and a flexible shaft that bends and holds its position. The "Ramrod" offers 10 intense levels of vibration, pulsation and escalation - all controlled by an easy on/off button with an LED indicator in a sexy red color. The vibrating plug "Ramrod" the love toy that keeps you experimenting. Requires 3 AA batteries.