Pre-formed waistbands made from 12 × 3 mm waistband material—the lightweight option for delicate bundles. Eight internal dimensions ranging from 11 × 19 to 24 × 25 mm (W × H), straight and curved, suitable for flat bars and square bars. Weight 1.18 to 2.02 kg per package (100 pieces), available individually as “-EZ.” Material: S235JR steel, raw.