Macho Vibrating Cock Cage Black. Super stimulation. Ultimate clitoral teaser satisfaction. Super stretchy. Easy to operate. Push button. Waterproof vibrations. Phthalates free, RoHS compliant. Requires 3 LR44 (AG 13) batteries, included, Materials Cock cage SEBS, Bullet ABS plastic. Length 5.5 inches, bullet 2.5 inches.