Apollo Sta-Hard Kit from California Exotics. Everything you need to get hard and stay hard! American Pumpers Association. Kit includes: Sta-Hard erection pump with flanged base for secure seal, Soft and stretchy removable donut, Easy squeeze bulb with quick air release valve, Silicone rings in 2 sizes, Tight and stretchy ribbed stroker, multi-speed vibrating stimulator. Safe and pure for body and pleasure made using phthalate free materials: ABS plastic cylinder, release valve, Thermoplastic Rubber TPR donut, masturbator, Silicone rings, PVC hose, Rubber bulb, polypropylene PP controller, ABS plastic with silver plating stimulator.Measurements 7.75 inches by 2.25 inches cylinder. 2.25 inches by 1 inch stimulator. 3.25 inches by 1.5 inches masturbator. 1.5 inches medium ring. 1.75 inches large ring. Requires 2 AAA batteries, not included.