The Grainger Plastic Strapping Kit is a kit that contains everything needed to strap and bundle items with plastic strapping. It includes a sealer tool, tensioner tool, buckles, seals, and 3 rolls of polypropylene strapping in widths of 5/8", 3/4", and 1". The sealer tool crimps plastic seals to secure the strapping. The tensioner tool provides proper tension. The kit has all the basic components for bundling items like boxes, crates, lumber, and more. This is a cost-effective kit for companies that need to strap and bundle items frequently.