Flat fold design for easy storage & portability; Disposable, single-use, for woodworking, clean airProtects from dry, liquid & non-oil based aerosols; Blocks particles from grinding, sanding, sweeping; Filters out flour, pollen, meatal & wood dustHome, workshop, studio art manufacturing, travelCompatible w/protective eyewear & hearing gear; Meets CDC guidelines, NIOSH N95 approved; For those with allergy or illness, Made In UKOne size; each mask: 8.5
