From the Trouthunter website:
Highest quality co-polymers available.
- Twice coated for maximum knot strength and water repellency.
- Remarkable strength-to-diameter ratio.
- Optimal blend of suppleness and elasticity.
- 50 meter spools afford anglers superior material at a low per meter price.
- Proprietary misty brown polycarbonate large arbor spool. Designed for low material memory and easy handling in a stackable, compact, durable design.
- Premium rubber tippet tender is long lasting, smooth and water repellant. Unique colors for each diameter allow for quick identification of size.
- Exclusive U.V. resistant, waterproof packaging ensures that the product is of maximum strength when purchased.