The REMplenish Jr Myo-Nozzle plastic bottle is a simple way to help your child breathe and sleep better while supporting proper facial growth and development. This unique system includes the REMplenish Jr Myo-Nozzle, which exercises your tongue and upper airway muscles, that attaches to the lid of an 18 oz plastic water bottle with flip-top cover. The bottle is an easy, lightweight, convenient and portable option. Drinking 12-30 ounces of water daily using REMplenish Jr can put your child on a path to a lifetime of improved breathing and sleeping. This nozzle is designed specifically for children between 3-9 years of age. 18 oz. capacity bottle, BPA/BPS-free. Nozzle is made of medical grade silicone.