.l Precautions 注意事项1、本品不可清洗再利用，请确保有限期内使用（This product can not be cleaned and reused, make sure it is used for a limited time period.）2、 口罩使用后要尽量平放，口罩上方鼻梁不宜频繁折叠，以延长使用时间（Put the mask as flat as possible after use. The nasal bridge above the mask should not be folded frequently to extend its use.）3、 空气不流通，呼吸不顺畅或睡眠中不建议佩戴（It is not recommended to wear when the air ventilation is not good or breathing becomes difficult or you are in the sleep.）l storage conditions 储存条件置于阴凉
