口罩由口罩体、鼻夹、口罩带组成，口罩体外层和里层为非织造布，中间层为聚丙烯熔喷布，鼻夹为可塑性材料制成，口罩带为弹性或非弹性。经环氧乙烷灭菌，产品无菌。供临床各类人员在非有创操作过程中佩戴，覆盖住使用者的口、鼻及下颌，为防止病原体微生物、颗粒物等的直接透过提供一定的物理屏障。

A mask consists of a mask body, a nose clip, and a mask strap. The outer and inner layers of the mask body are made of non-woven fabric, the middle layer is made of polypropylene melt blown fabric, the nose clip is made of plastic material, and the mask strap is elastic or non elastic. Sterilized with ethylene oxide, the product is sterile. Suitable for clinical personnel to wear during non-invasive procedures, covering the user's mouth, nose, and jaw, providing a physical barrier to prevent direct passage of pathogens, microorganisms, particles, etc.