Cleans extra thoroughly and gently! Fine copper threads gently remove even persistent dirt – copper is a soft metal, which does not scratch. For pots, pans, sink, stove, glass, high-grade steel, etc. Removes layers of rust from cutlery. Ideal also for bikes, cars, motorcycles, and much more. Double-layered for extra strength, extremely long-lasting, and washable in the washing machine at 60°C (please put in a line sack or sock). Do NOT use on Teflon or similar surfaces. Use in wet conditions only! Ecologically beneficial, 100% recyclable.