Iron-On: Apply with a hot iron to outside of finished mask. Nose bar should be wavy-side down (that's the glue)! Stick & Sew: Remove paper backing and apply to wrong side of fabric, inside of mask. Once mask is assembled, stitch around bar through all layers of fabric to secure - adhesive is not permanent!
Aluminum nose bar for face masks: 3.5", flexible and washable, will not rust. Package of 20.