Dai-Riki Dynamic tippet a new process in making leader material provides UV protection in the core of the copolymer tippet material. This process also allows a good balance between strength and elongation. It has easy stretch and recovery. Special resin coating makes a smooth surface with less coiling. it also lubricates the material making knots slip tighter and more secure. This is a great all around tippet material. The color is clear and a choise of eight sizes.