Among the most represented materials there are OFC, oxygen free copper, Polyethylene, Copper, Silver Plated OFC, oxygen free copper Silver Plated, Silver Plated, Polymer, Wool or fine animal hair, PVC, Silver Plated Copper, 100% cotton, 80% WOOL 20% NYLON, 47% Wool 38% Viscose 10% Nylon 5% Cashmere, Polyacrylic Merino Wool, Merino Wool Polyacrylic, Steel, Nylon Fibre, Metal, Acrylic, 65% wool, 100% acrylic, 90% Wool 10% Cashmere, 35% polyamid alebo Cotton. All materials