His Essential Pump Kit. Pliable and durable curved prostate probe for comfort and reach3 sturdy, stretchy all purpose rings. Penis pump with anged base for superior suction and EZ-squeeze bulb with quick air release valve. Removable body safe donut included for secure seal. Safe and pure for body and pleasure made using phthalate free materialsABS plastic cylinder, release valve, Thermoplastic Rubber TPR probe, donut, PVC bulb, Thermoplastic Elastomers TPE rings. 4.5 inches by 1 inch probe. 1 inch ring diameter.7.75 inches by 2.25 inches cylinder.