High quality ball tensioner - Our ball tensioner is made of high quality nylon, rubber and plastic ball. It is durable and friction resistance. It has great tension to fix the tarp firmly. Ball type tensioner size the cable length is 20 cm/7.9 inch. The extreme expansion length is almost 39 cm/15.4 inch. The way to use - It is easier to use this ball tensioner than others, just pull the rubber cable through the hole and place it on the ball. This cable has the best strong elasticity. Don't worry about your thing being so big that the cable will break. Multi-Function - Our ball tensioner comes in 40 pieces. Tarp tensioner is suitable for tents, tarps, posters, tensioners, expansion rings, tarpaulin supports, rubber tarps, rubber tensioners, tents, rubber, curtains, etc. It is a good equipment for camping or storage. Our bungee cords are of good quality to offer you the risk-free shopping experience. That's why our products are made of good quality materials, and designed with the best design. Standard size Perfect for all kinds of tarps cable length is 20 cm/7.9 inch. Elastic and durable tarp tensioner Quality rubber material All rubber of elastic tensioner has been imported from Malaysia or Thailand as famous rubber origin, ensure the material keep elastic and durable. Note: The data is all measured manually, please allow 1-3cm error, due to of the light and display difference, there will be a certain color difference, the actual object received shall prevail.