4-layer filtration, effectively filtering 99% harmful particles, pollen, droplets Comfortable surrounding chin design expands large breathing space and greatly improves breathability *The outer material uses spunlace or SS non-woven fabric according to the mask style Precautions: ?This product is a disposable product, please do not wash it. Please dispose of the mask properly after use. Please put the product in a cool and dry place, avoid direct sunlight. Please avoid placing it in the reach of children, and store it in a clean place. [Made in Hong Kong] 3DMASK (30 pieces/Box) GREY Size?~200x75mm (Folded) 30pcs individually packaged/box