High ElasticityNylon elastic rope design provides constant tension and firm grip, which can be stretched to twice its original size. Easy InstallationElastic tarp ties are easy to put on and take off. Pass the elastic ring through the eyelet, pass the tarpaulin rope through the hook, then pull the ring over the plastic ball, which is easy to use and safe. Multi-PurposeThe elastic tarp balls are the ideal choice for fixing tarp, tent, flag, blanket and trampoline. Elastic tarp ties are very suitable for boating, camping, farm and garden. Ball stretchers are also the ideal tool for sorting out messy ropes, cables, pipes and curtains indoors. Strong and DurableTarp stretchers are made of high quality materials with plastic ball heads, durable and wear resistant to ensure they stay intact after repeated use. Bungee cords for tarpaulin with elastic hook are versatile and lightweight, yet strong trekking accessories. Detailed DimensionThe length from the ball head to the top of the elastic ball ring is about 20cm, stretched to about 35cm, and the diameter of the ball head is about 22mm.