Stain-repellent refers to a type of treatment or coating applied to fabrics, surfaces, or materials to prevent stains from adhering. This technology is commonly used in clothing, upholstery, and carpets, making them easier to clean and maintain. Stain-repellent products often use chemical compounds that create a barrier against liquids and dirt. These treatments work by causing liquids to bead up and roll off the surface instead of soaking in. Popular examples of stain-repellent products include those used in outdoor gear, furniture, and car interiors. This feature enhances the longevity and appearance of items, reducing the need for frequent cleaning.