BCLEAR NOSE Nasal Dilator to Breathe Better and Reduce Snoring -- 4 Sizes Included ReviewbP PP CLEAR NOSE Nasal Dilator to Breathe Better and Reduce Snoring -- 4 Sizes Included POpens Nasal PassagewayPImproves Airflow -- NoseFin on top of dilators helps prevent falling outPHelps Reduce Nasal-Obstructed SnoringP100 Medical Grade Silicone that is soft yet strongPS M L and XL Sizes Included to ensure proper fit.