The Ultimate Douche has a soft and pliable transparent plastic bottle and two detachable interchangeable screw-mount nozzles. The slim sized nozzle is .375" in diameter, and the regular sized nozzle is .5" in diameter. Both nozzles are 3.375" long. Designed for comfort & simplicity, this system is easy to use and easy to clean. Water-soluble lubricant is recommended for the nozzle tips for ease of penetration. Now you are all cleaned, confident, and ready for a date with destiny!