Executive Big Mans Pump. Heavy duty oversized cylinder, designed for the big man. Premium, super stretchy XL Silicone enhancer ring included. Removable, flexible Silicone air hose easily detaches while maintaining superior suction. Easy squeeze trigger handle.Quick air release valve. Universal measurements. Ultra flange base for secure seal. Materials: Acrylic cylinder, Silicone hose, ring, ABS plastic handle, release valve, Polyoxymethylene POM connector. Bulk weight 15.9 ounces. 11.5 inches by 4 inches cylinder. 1.25 inches enhancer ring inner diameter