Lightweight and breathable, this top-quality filtering material is perfect for face masks. Non-woven spun-bond polypropylene .1.25 ounce per square yard (on par with most surgical masks) 20 inches wide (available in 1 yard and 5 yard lengths) Washing: Machine Wash/Tumble Dry We recommend using this filter material in conjunction with tightly-woven quilting cottons for a stylish design and good quality filtration. This material has a melting point of approximately 320 degrees F. Do NOT use iron directly the mask filter material. If you must iron your project, be sure to use a low heat setting and a pressing sheet or other heat barrier. Try ByAnnie's Face Mask pattern!
