About this item STIFF BRISTLES AND WIDE USAGE: The bristle?dark bristle) of 2 pot brushes are made of stiff union fiber and bristle?light bristle) of another 1 pot brush is crafted with medium stiff tampico fiber?sisal) . These palm pot brushes are well used for cleaning cast iron skillet, steel pots, pans, dishes, sinks, vegetables, tile, carpet, upholstery, etc. FLEXIBLE AND HEAT-RESISTANT BRISTLES: Stiff but flexible bristles are designed to handle heavy-duty cleaning, easily reaching corners and crevices to work effectively on various surfaces. Meanwhile, they?re safe to use in boiling water. ERGONOMIC HANDLE: The handle of cleaning scrub brush is manufactured with nature bamboo with round finish and good texture, which protects you hand from being scratched, offering ultra comfortable grips and fitting well with your palm. EASY-TO-CLEAN KIT: This cleaning kit comes with 3 scrubbing brushes to help with scrubbing out stains and dirt on a variety of surfaces, suitable for kitchen, bathroom, laundry room and garage. For maintenance, you just need to wash these brushes with mild detergent and let them air dry.