Jacquard Synthrapol 1Quart Made in the USA Has the unique property of keeping loose dye suspended during washing, thus preventing backstaining while aiding in the removal of excess color. This 3x9.5 inch package contains one 32 ounce bottle of Synthrapol. An industrial strength, pH neutral, liquid detergent used as a prewash and afterwash for dyed or painted fabrics and as a wetting agent for fabric dyes and paints.