Transparent polyurethane elastic designed for sewing. The clear, soft band adds discreet stretch to seams without bulk, ideal for swimwear, babywear, activewear and lingerie. Chlorine-, salt- and urine‑resistant to handle frequent washing and pool use. Use in necklines, shoulder seams or as hanger straps to support knit garments. Measures 10 mm (3/8 in) wide × 3 m (3.3 yd).