1.Stretchable cords made of polyester/nylon, used for adjusting fit in apparel and gear.
2.① High elasticity (retains shape after stretching); ② Durable (resists fraying); ③ Lightweight (no discomfort); ④ Compatible with cord locks/buckles.
3.Hat cords, waist cords (pants), backpack drawcords, sportswear waistbands, mask ear loops.