The finest quality materials obtainable are used in the manufacturing of "Aqualon".  It is however, the responsibility of the purchaser to assure the suitability of this product for their use.  Due to manufacturing and bonding dying processes, the thread may appear darker on the tube than on the color swatch.

Ultraviolet Resistant - Mildew Resistant - Colorfast Dyes

Size #92 is the most popular thread for automotive.  Size #138 is the most popular thread for canvas.  It is wider, stronger, more tensile strength, and gives a decorative french stitch more contrast.