Upgrade your pleasure and your tool with the Dr Joel Kaplan® Essential Pump Kit. This all-inclusive system includes a crystal clear cylinder pump, 3 stretchy cock rings, and a curved prostate probe. Whether you're a first time pumper or experienced enhancer, our comprehensive erotic enhancement set has you covered. The cylindrical pump is made to slide comfortably on and create perfect suction with each pump of the EZ squeeze bulb. Once peak suction is reached, use the quick air-release to break the seal or decrease pressure. When used regularly, this passionate pump can increase girth, stamina and sexual satisfation. The plush body-safe rings work to improve stamina and girth to make your lover moan for more, more, more. The tight rings maximize sensitivity and elevate sensations, letting men enjoy longer, more powerful pleasure. To explore the world of exhilarating play to the fullest, the ergonomically curved shape lets you gently increase stimulation and control the depth of your pleasure. Color Clear Materials ABS Plastic, Thermoplastic Rubber, PVC Plastic, Thermoplastic Elastomer Measurements 7.75" x 2.25" / 19.75cm x 5.75cm (Cylinder) 4.5" x 1" / 11.5cm x 2.5cm (Probe) 1" / 2.5cm (Ring Diameter) Warranty 90 Day Warranty