Adam and Eve Toys Power O Vibrating Ring makes erections harder and last longer. Pleasure pearl for perineum stimulation. Textured nubs around the pearl. Powerful bullet lasts 30+ minutes. Made from super stretchy Thermoplastic Rubber TPR cock ring, ABS plastic bullet vibrator. Phthalate free, latex free. Batteries included. Weight 0.70 inch.Width 1.70 inches. Length 2.70 inches.