The Dip-N-Glo™ Neutralizer is a specialized product designed to remove Dip-N-Glo dye stains from polypropylene boat carpets. It's a 2-ounce bottle of solution that effectively eliminates stains caused by accidental spills or splashes of Dip-N-Glo dye. The neutralizer works on both recent and old stains, helping maintain the appearance of your boat's interior. However, it is not effective on boat seats or fiberglass surfaces.