✔ Material: High-strength nylon, polypropylene (PP), or fiberglass-reinforced plastic
✔ Flexibility: Mimics the "S" shape of metal zigzag springs but quieter
✔ Advantages:
No rust (ideal for humid climates)
No squeaking (perfect for motion furniture)
Lightweight (30–50% lighter than steel)
Easy to cut & install (no sharp edges)
✔ Load Capacity: 50–120 kg per strip (depends on thickness)