Optimum Series Get Hard Head Pump Set from California Exotic Novelties. Super size your pleasure piece with the Optimum Series Get Hard Head Pump Set. This high tech, completely automatic pump delivers 3 levels of intense suction, 5 vibration functions and a vibration tickler cushion for truly explosive results. Increase stamina or give yourself over to total pleasure with 3 levels of sucking stimulation and 5 independent functions of vibrations. A soft vibrating contact pad with ticklers gives you the full coverage sensation you have been craving. Dive deep into intense suction while the soft, vibrating internal landing pad uses the teasing ticklers to thrill your pleasure tool with full coverage stimulation. Enjoy powerful suction and a superior seal with two unique interchangeable donuts. Use the simple donut for your regular pumping session and the other ultra tight donut for knee shaking stimulation. This removable open ended chamber sleeve is easy to use, easy to clean and requires no special care. Specifications Color Black. MaterialsABS Plastic, Polyurethane Cote, Polycarbonate, Thermoplastic Rubber, ABS Plastic with Metallic Plating. Power source 3 AAA, not included. Features Phthalate free, vibrates. 90 day warranty. Measurements5.25 inches by 3 inches cylinder. Bulk weight 13 ounces. Package 15.2 ounces. Package 3.25 inches by 4.5 inches by 11 inches.