This is a specialty textile stiffener created in the 1950's and now manufactured in Belgium. This stiffener is made with polyacetate and plasticizers that leave a highly transparent finish with no discoloration on light colored fabrics. Available in four concentrations, Feutrex 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 or .25 liter bottle with safety lid.