Sisal Pot Scrubber- A sustainable scrubber to replace plastic or metal pot scrubbers, great for heavy-duty yet scratch-free cleaning like stuck-on food, heavy stains, burnt scraps, grease on cast iron pots. Sisal bristles: sisal is a natural fiber that comes from the agave sisalana plant, stronger and more durable than other natural fibers. It is resistant to bacteria, mildew, and oil. bamboo handle: bamboo is a sustainable plant that uses 1/3 less water to grow, self-replenishes, and is less likely than other woods to crack. effective & non-scratch: safe to clean food scraps and stain stuck on cast iron or stainless steel cookware- not use on pots with “non stick” coating.