Maxx Gear Teaser Ring Red vibrating cock ring for couples pleasure. Features: 100% Silicone. Intensive vibrations. Pleasure for him and her. Waterproof vibrations. Phthalates free RoHs compliant materials cock ring silicone, Bullet vibrator ABS plastic. Size length 2.5 inches, diameter 1.875 inches. Vibrating bullet requires 2 AG3/LR41 batteries, included.