Chemical Guys Chemical Resistant Stiffy Brush is great for powerful cleaning on fabric, upholstery, trim pieces, tires, fender liners, and more. The stiff synthetic bristles easily scrub, agitate, and clean tough dirt, stains, and oils from interior and exterior surfaces. The handle is contoured to the human hand for comfortable ergonomics, powerful cleaning, and low fatigue with extended scrubbing. Easily scrub away dirt, grime, oil, stains, and more. Clean and scrub fabric, upholstery, carpet, plastic trim, rubber tires, and more. The abrasion-resistant handle is cast from durable plastic to last for years of rugged detailing use. Use the Stiffy Heavy Duty Cleaning Brush to clean durable materials when they get very dirty and stained.