Product Functions and Features: 1. Improve Breathing: Nasal Breathing Dilator Can Help Expand Nasal Cavity, Improve Nasal Ventilation, Promote Nasal Breathing, Relieve Problems Such as Dry Mouth and Sore Throat. 2. Reduce Snoring: by Expanding Nasal Cavity, Nasal Breathing Dilator Can Reduce Snoring, Improve Sleep Quality, and Allow Users and People around to Enjoy a Quiet Sleep Environment. 3. Improve Exercise Performance: Nasal Breathing Dilator Can Increase the Amount of Oxygen Inhaled, Improve Oxygen Supply during Exercise, and Increase Physical Endurance and Exercise Performance. 4. Reduce Allergic Symptoms: Nasal Respiratory Dilator Can Help Keep Nasal Cavity Unobstructed, Reduce the Possibility of Allergens Entering Nasal Cavity, and Relieve Allergic Symptoms. 5. Comfortable and Portable: Nasal Breathing Dilator Is Usually Made of Soft Material, Which Fits the Nasal Cavity Comfortably and Is Easy to Carry and Use, and Can Be Used for Breathing Training Anytime and Anywhere. Usage: after Washing Hands, Remove the Nasal Breathing Dilator to Ensure Cleanliness. Gently Insert the Nasal Breathing Dilator into the Nasal Cavity and Select the Appropriate Size According to the Size of the Nasal Cavity. Adjust the Position of the Dilator So That It Is Firmly Installed in the Nasal Cavity without Excessive Force. Breathe Slowly and Feel the Nasal Cavity Unobstructed and the Air Flowing. Use It for a Certain Period of Time Every Day to Gradually Adapt to and Train Nasal Breathing and Improve Nasal Ventilation. After Use, Take out the Nasal Breathing Dilator, Clean and Dry It, and Store It in a Clean Box to Avoid Contamination and Bacterial Growth.