Synthetic bristle great for general cleaning   Synthetic bristle Handcrafted wood handle Heat-stamped Jason Markk logo on handle Excellent for tackling dirt on midsoles Great for all-around cleaning Tough on stubborn stains   NOTE: When cleaning premium leather, suede, cotton mesh and other delicate materials take extra care and be gentle. We highly recommend using the Premium Shoe Cleaning Brush. The softer hog bristles are better suited for use on delicate surfaces.