Polyester Strapping is a smooth strap.  Available in Black and Green - Core 16" x 3" or 16" x 6" Break Strength 600 lb  is Medium to Heavy Duty -  775 lb is Heavy Duty -   900 lb, 1100 lb & 1400 lb are for Extra Heavy Loads. Strong enough to replace steel strapping! • An economical and non-corrosive alternative to steel strapping. Save up to 40%. • Retains tension longer than other types of strapping. • 80% lighter and easier to use than steel strapping. • Seal with serrated seals.