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, Feutrx is the lightest concentration with smooth firmness and flexibility. Use on felt, lace,silk, linen, paper and many more. Best for finer textile fabrics. Highly flammable, shipping available by Ground in continental USA only. Comes in a one liter bottle with safety lid.