YKK QUICKFIT fastener is an effective and efficient seat tie down system for automotive seats. QUICKFIT fastener improves the foaming process and seat cover assembling process, and reduces seat weight, Compared to the seat tie down system using metal wires. It also contains iron mono-filament, that enables the operator to install QUICKFIT into the mold trench easier and faster. QUICKFIT fastener does not contains metals, so it enable to save labor and power when seats are disposed . Material : Main Unit polybutylene terephthalate (PBT) Monofilaments : Iron, Nylon