Actual Material: Copper, environmentally friendly Size: Width: 12.7 cm Length: 3 m or 6 m Made of pure copper. Stiff, flexible, and durable. No chemicals added. Compared with steel wool, copper mesh does not rust or leave stains on brick or wood. Copper mesh is ideal for distilling. We recommend using a pound of copper mesh inside your still column. This copper mesh can be used to block holes of any shape and size. Easily cut, shaped, and installed. High-quality copper mesh is great for art projects. Copper mesh is ideal for stuffing soffits to help prevent birds and insects from entering. Also effective for deterring slugs and snails from damaging plants. Easily cut with scissors. Soft and flexible. Tips: 1. Cut the copper mesh to the desired length with scissors. 2. Stuff, push, or pack it tightly into small cracks, holes, gaps, or openings. Ensure it is compacted securely to prevent loosening. Note: Due to different measurement methods, the product size may vary slightly. Due to differences in monitor displays, the image may not reflect the actual color of the item.