Make your mask even more effective with Heat N Bond sew-in interfacing. Working closely with The Masks Now Coalition, Therm O Web (the manufacturers of Heat N Bond brand products) has developed this new interfacing for use in the MasksNow.org 3-Layer Mask Pattern from Created for Crisis, as well as other patterns that call for lightweight 100% polyester nonwoven, sew-in interfacing. Try it today for an added layer of protection. Learn more here: http://thermoweb.com/blog/fabric-masks-with-sew-in-interfacing-and-crafters-edge/

100% Polyester
20" Wide
Sold by the yard.