Yellowstone glow in the dark diamond braid rope 9.52mm (3/8") thick 15m (50') long (50ft length) Flourescent material can be charged with either natural or artificial light, when charged it will glow for up to 5 hours when placed in the dark Diamond braid minimizes stretch for long life and durability Resistant to abrasion, oil, fuel, mildew and chemicals NOT suitable as climbing rope