Tarpaulin Tensioner: The ball tensioner contains 75 pieces, the cable length is 150 mm. The extreme stretch length is nearly 300 mm. These reliable rubber loops ensure a secure hold for your tarpaulins and banners. High-quality ball made of rubber and plastic. Durable and friction-resistant, it provides excellent tension to firmly secure the tarpaulin. This tarpaulin tensioner is suitable for tents, posters, gazebos, trampolines, mesh and PVC banners. It provides excellent tension to firmly secure the tarpaulin. This ball tensioner is easier to use than others. Simply pull the rubber cord through the hole and place it on the ball. This cord provides optimal elasticity. Don't worry about your item being too big and the cable breaking. The rubber ball bungee cord can be installed and removed in seconds. The plastic and rubber provide excellent weather resistance. Adjust the length of the rubber by moving the knot.