The Casabella heavy duty grout brush is made with heavy duty nylon bristles giving your brush 8x the cleaning power. The unique shape gives your brush the ability to clean hard to reach places in your bath or kitchen. Handle features a comfort grip making the grout brush comfortable to use. Casabella was created with the novel idea that housewares and cleaning products could be great looking, fun and functional all at the same time. With focus on product and graphic design we strive to deliver products that are attractive, intuitive and supremely functional. That's our challenge! twenty five years of good design, with a focus on function and ethical business practices have built our business.