Tarpaulin tensioner: Ball tensioner contains 50 pieces, the cable length is 90 mm. These reliable rubber harnesses provide a secure hold for your tarpaulins and banners. High-quality rubber and plastic ball. It is durable and friction-resistant. It has a high tension to firmly fix the tarpaulin. Tarpaulin tensioner is suitable for tents, posters, pavilions, trampolines, mesh banners, PVC banners, It has a high tension to firmly fix the tarpaulin. 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 that your thing is too big for the cable to break. Rubber ball tensioners can be attached and removed in a few seconds. Plastic and rubber have high weather resistance. Adjust the length of the rubber by moving the knot. The elastic cord locks are widely used on cord, luggage, clothing, backpack, sportswear, shoelaces, tent and more. Replace broken cord locks. The diameter of the elastic cord ties is about 2.7 mm, which is not easy to bend and break or burst. Quantity delivered: 50 pieces.