Product Composition Medical Surgical Mask consists of a top layer, a filter layer, a bottom layer, a nose clip and a mask strap. The top layer and bottom layer are composed of spunbond nonwoven fabric, the filter layer is composed of Melt-Blown Nonwoven Fabric, the nose clip is composed of plastic material, and the mask strap is composed of spandex elastic or nonwoven fabric. Intended Use is suitable for use by clinical medical personnel during invasive operations. Advertising Approval No. Su Zhiguang Shen (text) No. 260206-27953