Clean out thoroughly and conveniently with an anal douche that is easy to use, travel with, and clean up after. A one-way valve reduces messy back-flow so that you can enjoy a stress-free enema experience. The nozzle is smooth and long, allowing for a comfortable and deep penetration. The secure-seal ensures that the nozzle and bulb screw together without allowing for any leaks. When not in use, the nozzle can be unscrewed, flipped around, and stored inside the bulb. Measurements: Nozzle is .8 inches in diameter, 4.75 inches in length.