50 SEALED Kids PM 2.5 Mask Filters 50 Individually Wrapped

Kids PM 2.5 Mask Filters. 50 **Unopened! Completely Sealed!** **50 Individually wrapped** 5-layer Carbon Technology Protective Mask Filters Child Size *From Company Website: The disposable PM 2.5 mask filters are made up of five layers, making use of carbon filter technology for more comprehensive protection against particulates, allergens, and pollutants. Each filter has an activated carbon fiber layer centreed between two melt blown cotton layers and enclosed by a layer of non-woven fabrics on each side to provide the best filtration to help you breathe easier when outside of the home. 10cm (L) x 7cm (W) Exterior Layers: non-woven fabric, Interior Layer: activated carbon