This is the Great Planes 3" Wide Medium Weave Fiberglass.
Great for adding strength to surfaces
90° cross weaves with white coloring
Consistent weaves for smoother finishes
One Medium weight strip (3 inch(76mm) by 5 feet(1528mm))
One Instructions (part of the package header card )
Sand and clean surface, Epoxy Glue for porous
materials like wood or CA glue for plastics,
cut to size and filler.