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″ X 11.5″. Ring diameter: 1″. Cylinder measures 7.75″ X 2.25″.