Actual Material: Copper, environment friendly Size: width:12.7cm Length:3 m/6m Made pure copper.Stiffer, flexible and material. No chemicals, compared with steel wool, copper mesh never rusts and leave stains on brick or wood. Copper mesh is also 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 install. High quality Copper Mesh is great for art projects too. Copper Mesh Ideal for stuffing soffits to stop birds and insects from getting in. Also great for stopping slugs and snails from eating your 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 any small crack, hole, gaps or opening. Make sure it is tightly compacted so itcannot be pulled out or worked loose. Note: Due to different measurement methods, the product size may be slightly different from the actual product. Due to the difference between different monitors, the picture may not reflect the actual colour of the item.