Lightweight and breathable, this filtering material is for face masks. Non-woven spun-bond polypropylene
1.25 ounce per square yard
20 inches wide - 1 yard long
Washing: Machine Wash/Tumble Dry
This material has a melting point of approximately 320. 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.