Specialty textile stiffener created in the 1950's and now manufactured in Belgium. Polyacetate and plasticizers leave a highly transparent finish with no discoloration on light colored fabrics. Available in four concentrations, Duratex is the strongest concentration with high rigidity and waterproofing capabilities and will leave a light shine. Used in theater for reinforcing costuming, as well as reinforcing any heavy fabric. Works great on felt and straw millinery materials. Highly flammable, shipping is available by Ground in continental USA only. Comes in a one liter bottle with safety lid.