1/4" Chopped Strand Mat Fiberglass Fibers Quart Go to amazon.com Related posts The 10 best fiberglass strands Feature1/4" FibersAdd to Polyester or Epoxy Resins Description1/4" chop glass fibers. Blend with polyester or epoxy resins. Often mixed with other fillers to create custom blends. Very high density and compression strength. A little goes a long way to increase strength of blended mixtures.