Dust Mask Adjustable Printed Mask with 5-layer Filtration Breathable Face Cover

Specifications: Fabric: Neoprene, soft, elastic, dustproof Internal materials: non-woven fabric, polyester fiber, charcoal, flannel, hook and loop Dimensions: height 7 cm/2.76inch x width 17 cm/6.69inch One size: fits most people Tips: 1, plug-in filter can not be cleaned, the proposed replacement of a week 2, the filter oil on the film or with sticky sediment stains are more, please replace the filter 3, the air does not flow, poor breathing or sleep, the prohibition of use 4, children under the age of two prohibited the use of Packing List: 1 * Dustproof Mask with 2 filter