Information and dimensions: ball diameter approx. 2.5 cm, loop measures 12.5 cm, length approx. 15 cm, extendable to approx. 15 cm. Up to 30 cm, elastic thickness approx. 4 millimeters. Tensioner, set of rubber bands Tensioner set: Your set contains 50 tensioners. Bungee jumpers are made of soft rubber bands with a plastic ball on the bottom. HIGH TENSION: These elastic bands can be used to securely fix objects that need to be tensioned, such as tents, flags or tarpaulins, thanks to their excellent tension. EASY TO USE: Each tensioner has a plastic ball. Thread the lower end of the rubber band through the eyelet and around the plastic ball. The tension applied keeps the fastening in place. Versatile use: These tensioners offer numerous possible uses: They are particularly suitable for securing tents, gazebos and tarpaulins of all kinds as well as covers for swimming pools and ponds. They can also be used to attach flags. Elastic hook with plastic ball Elastic loops offer a wide range