Nozovent is used to dilate the nostrils, which helps you breathe easier and reduces the risk of snoring. Both you and those around you get a better night's sleep and hopefully wake up more rested. Can also be used if you have difficulty breathing due to a cold or nasal congestion. Contains a pair of nasal dilators in size large. Dosage use The nasal dilator is inserted into the nostrils before going to bed. Medical plastic Pebax US Class VI Plastic