Clean and neat design, safest materials on every part of the penis pump, no odors or even neutral scents on this simple yet efficient penis pump for male users and their naughty curious partners. Use the soft PVC air bulb to remove air from the cylinder made of transparent ABS plastic with o phthalates, and enjoy the soft silky touch of latex sleeve. All details and construction features on this vacuum pump are made to please with no distraction. Pure suction pleasure and visible penis growth!