Precision Pump Intermediate take serious pumping to another level! American Pumper's Association. Top quality, durable pump with more than sized flanged cylinder with universal incremental measurements. EZ-Squeeze trigger handle. Push button release valve. Tapered Silicone secure fit donut. Flexible non-crimping air hose.Safe and pure for body and pleasure made using phthalate free materials SAN cylinder, Abs plastic, fiberglass handle, Abs plastic, fiberglass with silver plating handle grip, Silicone donut, POM release valve, PVC hose