Kitchen Cleaning Pad for Anodized Aluminum are made with: walnut shells! Use for polishing and removing minor stains from anodized aluminum cookware. These natural abrasives help to reduce the need for detergents and the scrubs last for months. Designed by Hiroki Hayashi, these scrubs are Made in Japan and come in 100% recycled packaging. These reusable cleaning pads are perfect for use on all anodized aluminum cookware. Made with walnut shells, these natural abrasives are great for cleaning and removing minor stains.