Kit includes nasal irrigator, storage sleeve, 50 pre-mixed saline packets, mixing cup and instructions.Syringe delivery system allows user to controls the flow and pressure of the saline solution for optimum comfort and effectiveness.Patented technology with silicone tip/applicator to allow for an easy and gentle rinsing experience.Designed to protect against backflow to avoid the possibility of reinfections if user stops or slows down during the rinsing process.Anyone 2 years or older can use Nasaline. However, children ages 2-12 should not use Nasaline, without parental supervision, unless advised otherwise by your child’s doctor. We suggest Nasaline Junior, a smaller nasal rinsing unit, for ages 2-12, also used with parental supervision. We recommend the NeilMed Baby NäsaKleen Nasal Aspirator for newborns and toddlers.