Rooster Rumbler Vibrating Silicone Anal Plug. Large size. Smooth and Firm with flared base for Safety. 3 speeds . 4 patterns of vibration. USB rechargeable. Waterproof. Materials: Silicone and ABS Plastic. Dimensions: Overall Length - 4.3 inches. Insertable Length - 3.8 inches. Widest Insertable Diameter - 1.6 inches.