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 wide
*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¿. 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.