Kenotek Vinyl & Leather Conditioner Kenotek Vinyl & Leather Conditioner provides an easy way to keep your vehicles leather, vinyl, rubber, and plastic surfaces protected and looking like new! Each application yields a gorgeous, low-gloss-sheen with UV blockers that help maintain the good looks of the treated surface. Regular use of Kenotek Vinyl & Leather Conditioner will keep surfaces looking and feeling like new!