With an enticing, realistic opening, slip inside the vagina and plunge into lifelike Flesh. Designed to deliver the smoothest, slickest strokes, the ultra soft tunnel is filled with ridges and bumps to tease, excite and satisfy. As the snug fitting chamber grips around your cock, adjust the level of thrusting for customized pleasure. Made using body safe materials Thermoplastic Rubber TPR. Vibrating masturbator requires 3 AAA batteries, not included.