“Wavy” shape of bristle holds cleaners and water better than other brushes. Bristles create scrubbing action – much better and more efficiently than simply wiping with a cloth. Durable, rinse-clean resilient polyester bristles are tough enough to last a long time. Sturdy plastic block will not rust, chip or crack. You won’t want to lose it – so its bristles are Bright Orange and easy to see! You’ll want several for brushing and cleaning all kinds of things: potatoes, carrots, carpet, upholstery, golf clubs, white walls and more.