SOLUTION: nose vents is designed to maximize airflow through the nasal passage and stop snoring. It's comfortable and virtually invisible. MEDICAL-GRADE MATERIAL (PBA free): Soft and enhanced medical grade silicone is used to make this snoring vents device, ensuring this solution the safest and most effective to stop snoring. EASY TO USE: Gently insert the snoring nose vent into the nostrils when you sleep and breathe normally