Braided waxed nylon and polyester thread (cord) improves water and
mildew resistance, adds lubrication for easier sewing, increases
stitch strength, limits stretching, and gives a slightly glossy
look. These qualities make waxed thread a great choice for projects
that require strong, long-lasting, water-tight seams. Because of
waxing nylon and polyester work equally well for most applications.
It's an industrial thread for shoes and leather products, mainly
used in leisure shoes,girl shoes, saddlery, sofas and all hands