Mask Filter Material 5YD x 20IN

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 wideWe 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 320F. Do NOT use iron directly on 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.Non-WovenSew-InWeight: LightweightSingle SidedWashing/Drying instructions: Machine Wash/Tumble Dry