Bela Dual Vibrating Bullets Pink from Nasstoys of New York features: 6 functions. Waterproof vibrations. Phthalates free, RoHS compliant material Silicone. Size controller diameter 2.25 inches. Large bullet vibrator diameter 1.25 inches, height 2.5 inches. Small bullet vibrator diameter 1.375 inches, height 1.75 inches. Rechargeable via USB, cable included. Rechargeable, no batteries necessary. UPC 782631277517.