The product is never used, the packaging was damaged during transport. Unopened product, repacked in our warehouses, in perfect working condition, warranty available. High quality: Ball tensioner is made of high quality nylon, rubber and plastic ball. It is durable and has friction resistance. It has great tension to securely fix the tarp. The tarp tensioner is suitable for tents, posters, pavilions, trampolines, mesh banners, PVC banners. It has great tension to securely fix the tarp. Reusable: rubber ball tensioner can be attached and removed in seconds. Plastic and rubber have great weather resistance. Adjust the length of the rubber by moving the knot. 30 pieces, cable length is 150 mm/5.9 inches. The extreme expansion length is almost 300 mm/11.8 inches. How 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 that your item is so big that the cable breaks. Product description Rubber strap for Banner, Tarp, Pavilion, Tent, Curtains Extension Harness, Tarp Holder, Durable and friction resistant. It has great tension to securely fix the tarp. Useful for multiple daily uses, very easy to use tensioner. The attached tent tensioners can be attached and removed in seconds without additional tools. No unnecessary cutting of already mounted cable ties, the tensioners can be reused at any time. Specification: 30-pack Set Length: 30 pieces 150 mm rubber tensioner Material: Ball tensioner is made of white nylon, rubber and high quality plastic ball.