Diameter: 3/8 inch; Each dock line is 15 ft in length; Color: Black; package. Made from high quality marine grade double braided nylon rope, providing flexibility and enough stretch to minimize shock during sudden tows. Excellent UV resistance, oil and salt resistance, acid and protection, safeguarding your boat bumpers. 3/8'' Thick Ropes provide a breaking force of up to 1565 lbs, suitable for boats less than 21 feet in length. These dock lines are designed to handle heavy loads without kinking or rotating, ensuring the protection of your boat's paintwork. The high-quality materials used in their construction durability and reliability, making them an essential accessory for any boating enthusiast. Color: Black Material: Nylon Package Contents: 1X 3/8" x 15'Boat Dock Lines Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.