Quilter's Choice Polypropylene Interfacing - 60" Medium Weight

The latest direction for mask making is to have a third layer or lining layer made of polypropylene. 

This is a 100% polypropylene fabric

width - 60"

Care - washable up to 50 degrees C (machine wash, hang to dry), iron on delicate

Flexible and moisture resistant 

NOTE - this listing is for a full yard of the interfacing