Our nasal gas strips contain elastomer (polyester), breathable material. It can help unclog the nose, reduce mucus buildup, and repair antibacterial bacteria. Its use is simple: wash and dry the nose thoroughly, print and hold the stripes until the stripes are fixed on the nose, remove the protective cover, center the stripes along the width of the nose, wash your face with warm water, then loosen the stripes at both ends and carefully lift the stripes from the nose. And can expand the nostrils, relieve nasal congestion, physical ventilation, breathing smoothly.