Whether you want a fabric or ribbon section to keep its shape, or you want to stiffen a fabric so that the edges don't fray or to easily cut fabric to the most precise dimensions, this fabric stiffener is the perfect material to help you get the job done! You can spray your fabric with the stiffener until it's damp and mold it to the ideal shape, then let dry, or you can use an iron to quickly set the fabric so you can proceed with your pattern or project right away. Details: Dries clear 6.76 fl. oz. Acid free Quick-dry, non-aerosol formula Stiffened fabrics sewable once dry Washable Includes instructions Conforms to ASTM D-4236 Once fabric is dampened with formula, iron on medium heat to stiffen (iron sold separately)