GREATER ENDURANCE: With these nasal dilators you can breathe freely! Airmax dilators for breathing dilate the nose to improve the air flow in a much more effective way than nasal strips for breathing do. It is safe, easy and comfortable to wear and is a breathing aid that relieves the sinus pressure.REUSABLE: Every dilator can be used for two months and comes with a free storage box. Great if you want to take it with you, but also very hygienic! Rinse the nasal spreaders, clean them in warm water, and put them in the container.AIRMAX: Airmax is the only dilator that is fully supported by specialists and is ISO 13485 and CE certified. Available in two sizes, developed by ear, nose, throat specialist.BETTER SPORT PERFORMANCES: The dilators open closed nasal cavities, so you can breathe freely and absorb more oxygen. It is good for your entire body! With the nasal dilator you stop breathing through the mouth and your breathing will be better regulated. This way, you improve your sports performance!SIZE: The set consists of a small and medium size nasal dilator. You can easily try which suits you best!