Material: PVC+Nylon Size: 1.2 m Colour: Black Quantity: 30 pieces Package content: 30 pieces * strapping rope 1. Simple and quick The tarpaulin tensioners can be attached quickly and easily. Simply pull the rubber loop through the eyelet and place it over the ball. You have already attached your tarpaulin. 2. Our tarpaulin tensioner is made of high quality nylon, rubber and plastic ball. durable and wear-resistant, long service life. 3. It is easier to use this elastic tensioner than others. Just pull the rubber cord through the hole and put it on the ball. This elastic ball tensioner has the strong elasticity. 4.Reusable: the tarpaulin tensioner can be removed in seconds, adjust the object repeatedly for satisfactory results. 5. Widely used: for curtains, gazebos, trampolines, banners, fixed swimming pool cover, garden greenhouse cover, truck cover.