His Essential Pump Kit includes a penis pump with angled base for superior suction and EZ squeeze bulb with quick air release valve. Also includes a pliable and durable curved prostate probe for comfort and reach along with 3 sturdy stretchy all purpose rings. Removable body safe donut included for secure seal. Probe measures 4.5 inches by 11.5 inches. Ring diameter 1 inch. Cylinder measures 7.75 inches by 2.25 inches.