The doctor is in! Blush Novelties Dr. Skin Vibe #12 is a 8 inch realistic vibrator with a slim shaft and thick bottom. Its perfect for anal penetration as the protuding bottom prevents "over insertion". Convenient twist dial base allows user to easily control the vibrations. Vibe #12 is waterproof for shower and bath time. Created for the beginner and cost conscious. Vibe #12 is made of body safe phthalate free PVC. *This product requires 2 AA batteries.