Clean air, filtered air of harmful gases and dust, insist on using can effectively alleviate asthma. Easy to wear (push it into your nostril tight) and take down, effective relieve snoring, improve quality of sleeping. And it may take some time to make you feel comfortable to breathe.
Soft, comfortable silicone engineered to stay firmly in the nostril, forming a perfect seal without the need for straps.
Apply in many situation, indoor, outdoor, hospitals, etc.