Be stop Black Twill Protectant is specifically formulated to clean and protect today's newer acrylic twill fabrics like Be stop's Trek top Pro and Trek top NX Black Twill soft tops. Can be used on any twill fabric, even those on high-end luxury twill convertible tops. Brings out the deep luster of twill fabric for a brand new appearance. Non-toxic formulation that is environmentally safe and bio-degradable Cleans and helps protect high-tech acrylic twill soft tops on Jeep Wrangler Deters dirt, dust and grease stains Not for use on vinyl fabric soft tops 16-ounce bottle.