Interior detailing involves a deep cleaning and protection of the whole interior of the vehicle. Vehicle interiors comprise a variety of materials, such as synthetic carpet, upholstery, vinyl, leather, various natural fibers, carbon fiber composites, plastics, and others, which necessitates the use of a variety of cleaning and detailing techniques and products. Vacuuming is a standard practice. Upholstery stains may be removed using carpet extraction and/or steam cleaning as well as brush agitation. Vinyl, leather, and other plastic and rubber surfaces are also cleaned and protected.