Smooth polyester strapping is an economical and non-corrosive alternative to steel strapping. It is intended for medium and heavy-duty applications and retains tension longer than other types of strapping. Available here in two core sizes, 16x6 and 16x3, this strapping requires serrated or sandpaper seals. Polyester strapping is offered in two colors, black and green, two widths, ½" and 5/8", and several thicknesses. It is sold by the coil, with up to 10,500 feet per coil.