Formula 4 Leather, Vinyl and Rubber Conditioner Cycle Care Formula 4 is a unique, pleasantly scented formulation of premium quality polymers designed to restore the luster and softness to vinyl, leather, and rubber surfaces Protects against ultraviolet rays, cracking, repels water, and prolongs the life and like-new appearance of the materials Applied to rubber, Formula 4 creates a water-repellent new appearance, helps prevent tire weather cracking and increases soil resistance Restores factory finish to touring bike instrument panel/dash and top facing panels True conditionerrestores natural oils to vinyl, leather, and rubber, leaving renewed luster