Notch makes this Throw Weights using 1,000-denier Cordura‚® material. They reinforce them with extra stitching and attach a welded ring. This 12-ounce throw weight has a high-contrast pink and yellow color pattern.The high-contrast color patterns of this weight does not exist anywhere in nature. Notch?s proprietary design makes it stand out against any natural background including leaves, sky, and dirt. This unique coloring makes it extremely difficult to lose on the work site.Notch designs this Throw Weight to hold up to any job. The durable fabric and reinforced stitching makes it nearly indestructible. Notch backs this with a no-questions-asked lifetime guarantee. You break it, and Notch will replace it!