These spherical elastomers are composed of black plastic balls and high-quality rubber threads, which are durable, wear-resistant, and very durable, and can meet any possible needs. Sandow elasticity.[Size] Two sizes: 12 centimeters and 18 centimeters, rope diameter: 4 millimeters, ball diameter: 2.7 centimeters. Color: black. Quantity: 15 elastic balls. Connect Bach.[Easy to use] The elastic rope ball is easy to install. Thread the rope through the hook, and then? Illet, then pull the loop onto the plastic ball. Elastic tensioner.The perfect hook features an elastic drawstring that can be quickly and easily adjusted to ensure you have the correct length and tension. The elastic rope can be quickly and easily adjusted to ensure that you correctly determine the length and anxiety level. This high-quality elastic rope with hooks provides excellent load and strength performance. Bach tensioner. Multi functional Use It has strong adaptability and can be used for a long time. Whether you are packing camping trips, fixing tents or canopy covers, or stretching and connecting, it has unlimited uses. Very suitable for indoor and outdoor camping trips. Sandow is used for waterproof cloth.