The 100 or 300 or 500pcs Breath Nasal Strips Anti Snoring Stickers Nose Ventilation is designed to help with nasal congestion while sleeping or exercising.These nasal strips feature two flexible spring type bands that gently open your nasal passages, allowing you to breathe more freely and reduce snoring. They can increase air flow up to 31 percent and relieve congestion caused by colds, sinus problems, and allergies.With these nasal strips, you can enjoy a peaceful night"s sleep for everyone. Simply place the strip in the correct position on a clean, dry nose according to the instructions on each sealed packet. They are simple, safe, effective, and non-invasive, with no side effects. They are also attributed to correcting the action of snoring and forming good breathing habits.The nasal strips are made of high-quality materials, including surface material (spunlace non-woven fabric), pressure-sensitive adhesive, elastic material (PET), basic material (porous non-woven polyester or transparent polyethylene), and back sticker. They function to dilate nostrils and relieve nasal congestion.Please note that these nasal strips should not be used by individuals who are allergic to any of the components. They are for external use only and should not be used if there is skin damage or inflammation. Each strip should be used once a day for a maximum of 12 hours. They can be used during sleep, exercise, or during the day. The shelf life of the nasal strips is 2 years.Key Features:Relieves nasal congestionIncreases air flow up to 31 percent Reduces snoringSafe and effectiveCan be used during sleep, exercise, or during the dayMade of high-quality materialsDilates nostrilsShelf life of 2 years Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.