Describe Colors:blackwhite/30pcs 30 day night supply of Intake Tabs 1 Magnetic Applicator for perfect Intake Tab placement 4 Intake Bands in our most common sizes + free resizing Size:19*9*2 Product functions and features include: 1.Improve breathing: Nasal breathing dilators can help dilate the nasal cavity, improve nasal ventilation, promote nasal breathing, and relieve problems such as dry mouth and sore throat. 2.Reduce snoring: By dilating the nasal cavity, nasal breathing dilators can reduce snoring, improve sleep quality, and allow users and people around them to enjoy a quiet sleeping environment. 3.Improve athletic performance: Nasal breathing dilators can increase the amount of oxygen inhaled, improve oxygen supply during exercise, increase physical endurance and athletic performance. 4.Reduce allergy symptoms: Nasal breathing dilators can help keep the nasal cavity unobstructed, reduce the possibility of allergens entering the nasal cavity, and relieve allergy symptoms. 5.Comfortable and portable: Nasal breathing dilators are usually made of soft materials, fit the nasal cavity comfortably, are easy to carry and use, and can be used for breathing training anytime and anywhere. How to use: After washing your hands, remove the nasal breathing dilator to ensure cleanliness and hygiene. Gently insert the nasal breathing dilator into the nasal cavity and choose the appropriate size according to the size of your own nasal cavity. Adjust the position of the dilator so that it fits firmly in the nasal cavity without excessive force. Breathe slowly and feel the nasal cavity unobstructed and the air flow. Use it for a certain period of time every day to gradually adapt and train nasal breathing and improve the ventilation capacity of the nasal cavity. 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.