This double vibrating ring will make your erections more powerful and long-lasting, while the vibrating bullet will stimulate your partner's clitoris. You will enjoy both at the same time. It is made of soft silicone, designed to fit perfectly and stimulate both men and women. Characteristics: Strong vibrations Batteries: 3 LR41 Material: Silicone and ABS Measurements: See photo Submersible Pretty Love manufactures high quality products. They have a 1 year warranty on technical defects.