The Nasobuddy Baby Aspirator + Saline Kit is the DOCTOR RECOMMENDED and DOCTOR APPROVED method to relieve your baby's nasal congestion or nose block due to colds. The excess mucus produced during colds causes nasal congestion. Babies cannot sneeze out the excess mucus by themselves, it's upto us parents to keep their nose clean and congestion free. Follow these easy two steps to relieve your baby's nasal congestion. FIRST , use the saline spray. Keep the saline tip at opening of baby's nostril and spray twice. This loosens mucus and improves mucus removal. SECOND , use the aspirator to 'suck out' mucus. Keep the aspirator tip at opening of baby's nostril and then 'suck out' mucus through the yellow mouthpiece. This provides immediate relief to the baby, helping the baby to breathe, feed and sleep better. The filter inside stops the mucus from reaching you. These filters can be washed and reused or replaced with a new filter after each use. There are 20+1 filters included in the kit. This aspirator + saline spray is the safest method to clear your baby's nasal congestion. The Nasobuddy Baby saline spray is a simple, ayurvedic, ayush approved, drug free and irritant free solution with no risk of any harmful side effects. The aspirator is BPA free and safe to use on newborn babies to toddlers.