Check our this blog post - on How To Use Puffy Foam -- it will change your life!
Puffy Foam is available in 12 colors to match your thread color. It perforates cleanly when stitched through, and makes the stitching stand well above the fabric. It is being widely seen commercially in headgear and washable wearables. Look for special computerized embroidery cards made especially for Puffy Foam from your favorite sewing machine company.
Puffy Foam Part 1 Video
Puffy Foam Part 1 Video