The products are made of high-quality brass material meeting the REACH criteria for fast fashion garment manufacturers, produced by progressive moulds, and electroplated. The brass alloy is formed of 70% copper and 30% zinc, being wear-resistant, corrosion-resistant, and stainless unless exposed to extreme conditions. Both the material and the dyes are Oeko-Tex certified - free of heavy metals and carcinogens that threaten human health.