Earth-Friendly Cleaning Tools Comfortable Handle, Tough Bristles Stands on End for Quick Drying Recycled Plastic Unique Design Helps Prevent Bacteria Buildup Hangs for Easy Storage Recycled Material Come Clean. Full Circle. It scrubs away dirt. It scrubs away grime. But without scrubbing away natural resources. A combination of post-consumer and post-industrial plastic, this sturdy brush also features a hollow design, so it uses even less of both.