Actual Material: Copper, environmentally friendly Size: Width: 12.7 cm, Length: 3 m or 6 m Made of pure copper. Stiff yet flexible material. Contains no chemicals. Compared with steel wool, copper mesh does not rust and will not 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 various shapes and sizes. Easily cut, shaped, and installed. High-quality copper mesh is also suitable for art projects. Ideal for stuffing soffits to help prevent birds and insects from entering. Also effective for deterring slugs and snails from damaging plants. Soft and flexible. Can be easily cut with scissors. Tips: 1. Cut the copper mesh to the desired length using scissors. 2. Insert, push, or pack it tightly into small cracks, holes, gaps, or openings. Ensure it is compacted securely to prevent loosening or removal. Note: Due to variations in measurement methods, product dimensions may vary slightly. Due to differences in monitor displays, the actual color of the item may differ from the image.