3/8" diameter poly rope, 18 ft in length. There are 7 ABS plastic floats (float size: 2-1/2" x 5") Pre-Assembled. Ready to use. Can be shorten in length, comes with one plastic fid (adjustment tool) Great for sectioning off hazardous areas, or dividing swimming lanes. A must-have accessory for almost every pool owner. Protect your loved ones and keep them safe while swimming by using this safety rope & float as a safety marker line to distinguish between the deep and the shallow end of your pool. The floats and rope are both high quality and will last many seasons. The blue and white design gives your pool a classic nautical feel.