His Enlargement Package. Erection pump with flange base for secure seal. Soft and stretchy removable donut. Easy squeeze bulb with quick air release valve. Stretchy and comfy extender. Adds 2 " to length. Textured ribbing inside and outside. Discreetly enhances both girth and length. Super stretchy, strong and pliable cage enhancer. Added nut sack ring for support and secure placement. 2 sizes of stretchy erection enhancer rings. Fits safely on the bottom of erection pump cylinders. Slides easily from cylinder to penis to keep erection. PS cylinder, Phthalate free PVC hose, bulb, Abs plastic, fiberglass release valve, Thermoplastic Elastomers TPE donut, Thermoplastic Rubber TPR extender, enhancer, Silicone rings. Requires 6 watch batteries. 12 incorporated. Bulk weight 12.1 ounces