A tonneau is an area in a vehicle that protects any passengers and is often covered by a soft or hard cover. The tonneau can be compared with a truck bed and has many different names. Modern cars don’t really have the structure to correctly use this term.
Fabric protection is used to increase the lifespan of fabric by repelling as much dirt and stains as possible. It is commonly used on convertible roofs, seats, floormats and carpets. Fabric protection is most often done by applying a liquid.
Fabric protection is a form of treatment designed to prevent the fabric from suffering from contaminants. This could be in the form of liquids, dust, oil and other forms of unwanted particles that could get absorbed into the fibers of the fabric.