Fountain-style design accommodates a wide range of cleaning tasks: cars, boats, siding, gutters, etc. Full, thick, resilient bristles provide excellent scrubbing action. Ergonomic dual-angle block fits comfortably in most adult hands. Flagged polypropylene bristles. Bristle Material: Polypropylene; Bristle Length: 2.5 “; Brush Length: 10”; Handle Material: Plastic.