Performance requirements: TYPE I Model: ZE-01 Specification: Flat ear loop type non-sterile Mask body material proportion: Out layer: 40% Non-woven fabric Middle layer: 30% Melt-blown fabric Inner layer: 30% Non-woven fabric Nose clip: Inserted polyvinyl Ear loop: Elastene fabric Application Area: It is used to cover the user's mouth, nose and chin. Packing Information: 50pcs/box Box Size: 195*97*80mm 40box/carton Carton Size: 515*415*340mm G.W.: 8.5kgs Product performance: The appearance of the mask shall be clean, non-toxic, no holes, flat and in good shape, and shall be pressed and firm without cracking . The mask is in rectangular shape Size 17.5x9.5cm(±0.5) Nose clip length not less than 10.3cm. Folded length of ear loop in half: 8±0.5 cm.