HEARTLESS OCCULT CAT MASK - BLACK Face Mask - Made from 2-ply polyester fabric. The double lined masks have a slit on the inside into which a carbon filter can be added. The mask fits around the ears with a soft stretchy elasticated cord and has small soft rubbery toggles for perfect fit. These fashion masks can be used to help protect against dust and pollen. Reusable and washable. HEARTLESS OCCULT CAT MASK - BLACK