Colt Deep Flexer Black Prostate Massager. Perfectly angled for prostate and testicular stimulation Pliable and durable with added ridges for intense sensations. 8 functions of vibration, pulsation and escalation. Easy push button control. Silicone probe. ABS plastic cap. ABS plastic with Silver Plating decor. 3 inches by 1 inch insertable. 7 inches by 4 inches overall. Vibrating prostate massager requires 2 AAA batteries, not included.