*The High Quality: Ball Tensioner Is Made Of High Quality Nylon, Rubber And Plastic Ball. It Is Durable And Friction Resistance. It Has Great Tension To Fix The Tarpaulin Tightly.*Tarp Tensioner Is Suitable For Tents, Posters, Pavilions, Trampolines, Mesh Banners, Pvc Banners, It Has Great Tension To Fix The Tarpaulin Tightly.* Reusable: Rubber Ball Tensioner Can Be Attached And Removed Within Seconds. Plastic And Rubber Have Great Weather Resistance. Adjust The Rubber Length By Moving The Knot.*Ball Tensioner - Ball Tensioner Contains 30 Pieces The Cable Length Is 200Mm/7.9 Inch. The Extreme Expansion Length Is Almost 400 Mm/15.7 Inch. The Cable Length Is 150Mm/5.9Inch. The Extreme Expansion Length Is Almost 300Mm / 11.8Inch.*The Way To Use - It'S Easier To Use This Ball Stretcher 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 About Your Thing Being So Big That The Cable Breaks.