Hi Quality, Professional 50/50 Polyester-Cotton Blend Material. Double-fold bias tape made from bias-cut PolyCotton fabric material, Sturdy, durable, Pre-folded, No ironing needed, Colorfast and bleeding free, Machine washable. Great for sewing, piping, binding, hemming, and apparel making projects; Accent the seams on pillows, quilts, purses, chairs, garments, and sofas. Easy to sew by hand or machine to make straight or curved edges; Consistent width and vibrant color, Easy to match cotton, polyester, leather, canvas, and linen.