Synthrapol is 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.Synthrapol has the unique property of keeping loose dye suspended during washing, thus preventing backstaining while aiding in the removal of excess color.This 3×9.5 inch package contains one 32 ounce bottle of synthrapol.Conforms to astm d4236.Made in usa.