Ultimate comfort reusable face mask with SENLONA print is made of nylon spandex base fabric, lazer cut for ultimate comfort and all day use. The top fabric is poly spandex, printed via sublimation. The front section has a pocket for filter fabric insertion, this can be added or removed at your discretion so that the mask can be washed. Both fabrics do not absorb moisture and are ideal for creating a barrier to avoid contamination, Please note your filter fabric will determine the rating of your mask. Please see technical specification in third image, which also advises how the mask should be worn.