z mask cotton reusable masks - washable adjustable face mask with filter pocket and nose wire for adults - insert for replaceable carbon filters - black mask with filter bundle of 4 z mask washable cotton cloth face masks with replaceable activated carbon filter insert pm2.5. protective face masks with filter to work against particles in the air. adjustable masks with nose wire and adjustable earloops to provide a custom fit mask for glasses wearers no fog! simply adjust the holders on the elastic ear loops to the desired size to make a small, medium or large sized mask. our z mask design provides more coverage with an extra piece of cloth under your chin! choose from an assortment of colors: pink, burgundy, navy blue or black or choose them all with our assorted bundle, which makes a great family set! masks for adults and teens. dimensions: width of the mask from ear to ear (without ear loops) is 8.3 in. the length of the mask from nose to chin is 6 in. packaging: each package contains 1 mask with filter insert and 2 pm2.5 filters. set comes with a total of 4 individually wrapped masks and 8 activated carbon filters. cleaning: z mask is machine washable, dry at low temperature. although, to extend the life of your z mask, we recommend washing them by hand and letting them air dry.