Designer™ 40wt General-Purpose Polyester Sewing Collection Pack, eight different 1094 yard (1000m) spools in similar colors. Designer is strong (delivers maximum seam strength of 50 lbs. per inch) and flexible with a soft texture and gentle luster, practical for everyday use in a variety of functions. This premium sewing and serger thread is ideal for general sewing purposes, for garment making, and for use in sergers.