Aurora offers a Light Duty 35 Gauge Polypropylene binders that look stylish and yet remain durable over time. Its beautiful two-tone Metallic shinking Violet and Silver coloring will make your storage stand out. The 1.5" ring mechanisms are built to last a long time. Aurora is a very environmentally-conscious company. It's moisture resistant and colorfast. It's also 100% landfill-safe and 100% recycled, with no harmful toxins added. It contains the highest percentage of recycled content and has the UL Environmental's Environmental Claims Validation (ECV). To add to its high environmental standards, it is made in the U.S.A., with a small travel footprint. (MyBinding product number AUA60015).