Double your pleasure. Double Thriller Vibe is a realistic penis dual penetrating vibrator. Imagine what you could do if you had two? Simultaneous vaginal and anal double penetration. Phthalate free, non-toxic materials: Thermoplastic Rubber TPR shaft and anal probe. Vibrating sex toy requires AA batteries, not included. Do not leave batteries in the vibrator between uses. Double Thriller Vibe from Nasstoys of New York.