“Better than real” real skin Vibrating on top Adds 3 inches to length Removable bullet RoHS compliant Phthalates free Waterproof Materials: Sleeve – TPE, Bullet vibe – ABS Sleeve Size: Insertable Shaft Diameter: 6.375”x1.5325” Bullet Vibe Size: Diameter: 0.6825” x 2.25” Uses 3 LR 44 (AG13) batteries