The Upholstery Brush is an all-purpose interior and upholstery brush featuring a small handle for better grip. This scrub brushes are used for general purpose cleaning, scrubbing and stripping applications. They are commonly used on ceramic, concrete and vinyl.Synthetic is composed of nylon, polypropylene or polystyrene. It is stronger on surfaces compared to natural fibers and more resistant to solvents. It is used for a variety of applications.