Ultra Tough Wide-Head Brush Safely Cleans Cast Iron Cookware Built-In Scraper Removes Even the Most Stuck-On Bits Scrub Away Food, Not Your Seasoning Safe For You - Non-Toxic Earth Friendly Materials Intentional Design Certified B Corporation Cast iron pots and pans are the gentle giants of cookware. They're big. They're heavy. And they require a certain... sensitivity. With our toughest reinforced (but not metal) bristles and special scraper, this combo brush needs only water to safely remove even the most stuck-on bits. Like they say, not soap, no problem. Safe For You - BPA-free; non-toxic coating on bamboo. Earth Friendly Materials - Bamboo, recycled plastic. Intentional Design - Tougher bristles to clean effectively without damage to your seasoned cast iron. Dark colored bristles hide wear.