Prevents Snoring、 Sleep Apnea & Dry-Mouth.<br /><br />Slit design for nasal hair to keep foreign or unwanted particles from entering the lungs.<br /><br />Advanced Conical shape makes it feel very comfortable in the nose.<br /><br />Made with medical grade silicone in USA and it is FDA Approved.<br /><br />Highly recommended by ENT doctors.<br /><br />Includes: 1 Pcs Nasal Dilators for all nose sizes and a storage case.