Material: The bungee cords are made of high quality elastic cord and plastic, flexible, durable for long term use and easy to tie securely. Application: Tarp tensioners with ball can be used not only for securing tents, tarps, car and boat covers, but also for tying wires, data cables, curtains, sleeping bags, flashing lights , reflective umbrellas and light stands for easy storage and carrying. High elasticity: helps you hold objects firmly and can be used repeatedly. Firmly knotted : Thread the ball joint through the other end of the bungee cord and pull hard, the cord will become tighter and tighter, ideal for tying down tents, luggage, etc. Quantity: 10 pieces of tarp bungee cord, easy to tie, help you organize and store items quickly, meet the need of repairing tents and tying down items. Tarp Tensioners with Ball< li/> Material: rubber, plastic Color: black Quantity: 10 pieces of elastic cords Size:Rope length - 13.7 cm Spherical head diameter - 2.2 cm Application:Fixed items, such as tents, awnings, tarps, tarpaulins, car/boat/furniture covers, flags, banners, trampolines, awnings, etc. Attach objects, such as wires, data cables, curtains, sleeping bags, luggage, flashing lights, reflective umbrellas, light stands, etc. Notes:1. Keep away from children under three years old.2. The ball head is heavy, please do not use it for playing, otherwise you may get hurt.3. There may be 1-2cm error due to manual measurement.