Best way to store throw line and have it deploy quickly in an emergency. Coiled rope is more likely to tangle than this line, which is packed in the bag so that it flows out without tangles. Bag is made of weather resistant fabric and features a loop that can be used to hang the bag with the ring. Line used is a highly visible yellow 3/8" (.95 cm) hollow braid polypropylene that floats and is spliced to the inside of the bag. Line leader which is on the outside of the bag is UV resistant, black polypropylene. Label has clear instructions and indicates the amount of line inside, 90'.