Get ready to make your projects extra special! WonderFil's InvisaFil 2-Ply Cottonized Soft Polyester Silk-Like Thread is the perfect choice for all your fine sewing needs. Its 100wt - Navy, and 400m length make it ideal for delicate fabrics like silks and satins, while its charcoal color will give your finished work a beautiful look. With InvisaFil, you'll get the best of both worlds: professional results with an exquisite finish!