À About this item Tarpaulin tensioner: ball tensioner contains 100 pieces, the length of the cable is 150 mm/5.9 inch. The extreme expansion length is almost 300 mm/11.8 inch. These reliable rubber harnesses provide a secure fit to your body. your tarpaulins and banners. High quality rubber and plastic ball. It is durable and resistance to friction. It has great tension to secure the tarpaulin firmly. Tarpaulin tensioner is suitable for tents, posters, pavilions, trampolines, mesh banners, PVC banners, It has great tension to firmly fix the tarpaulin. It is easier to remove. Use this ball tensioner than others, Simply pull the rubber cable out. 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 breaks. Rubber ball tensioner can be attached and removed within seconds. Plastic and rubber have great resistance to bad weather. Adjust the length of the rubber by moving the knot.