Add 3-dimensional flair to your computerized embroidery, free-motion and machine satin stitches. Perforates cleanly when stitched through and makes the stitching stand well above the fabric. Made from high quality ethylene vinyl acetate foam, just for use on home sewing machines. Acid-free, non-toxic and water-resistant. Widely seen commercially in headgear and washable wearables. 3mm thickness. Contains one 6 in x 9 in piece of 12 colors, White, Black, Red, Lt.Tan, Purple, Kelly Green, Royal Blue, Yellow, Orange, Pink, Gray and Forest Green.