[Made in Hong Kong] 3DMASK (30 pieces/Box) Size：~200x75mm (Folded)30pcs individually packaged/box細菌過濾效率 (BFE)≥99%* 及顆粒過濾效率(PFE) ≥99%*STC及NOVUS專業檢測認證4-layer three-dimensional maskOuter layer: SS non-woven fabric/spunlace*Filter layer 1: melt blown clothFilter layer 2: melt blown clothInner layer: SSS skin-friendly clothFeaturesThree-dimensional tailoring of highly breathable masks, comfortable and will not burn the skin4-layer filtration, effectively filtering 99% harmful particles, pollen, dropletsComfortable 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 stylePrecautions:​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.