High Quality Material: Ball tarp tensioners are made of elastic nylon rope and high quality plastic ball, which is wear-resistant, very strong and can be used for a long time. Unique design : The elastic design provides constant tension and firm grip, and can be stretched up to twice the original length without worrying that the elastic rope will break when the item is too large. Easy to use: just put the objects to be fixed on the rope, pass the rope with the ball end through the other end, and fix the objects completely. Widely Used: Tarp tensioners is a good helper for fixing canvas, tarpaulin, umbrella stand, tent frame, table legs, very suitable for camping, hunting, farm, garden, shop, etc. The package includes: the package contains 30 elastic tent ball ropes, the diameter of the ball is 22mm, the thickness of the rope is 3.5mm, and the total length is 15cm, which is enough to meet the needs of daily life.