We continue to improve the details of our products and launch the third generation products. * Improved the inner wall of the base Others: The base and the ball are not firmly matched, and the ball is easy to be blown off by the wind. Ours: Improve the inner side of the base according to the shape of the sphere, which can perfectly jam the ball head, solves the problem that the ball is easy to fall. Greatly enhance wind resistance. * surface of the sphere is smooth and seamless The polishing process is adopted and the thickness of the ball wall is increased, which not only makes the ball surface look smooth and advanced, but also effectively solves the hidden danger of scratches. *Improved bungee cord The bungee cord is thickened, the elasticity is increased by 2 times, and is more durable. * Improved Adjustment buckle Increase the size, improve the shape, with the polishing process, now the adjustment buckle is smoother and more advanced, can fix the bungee cord well, make it not easy to slide, so that effectively enhance wind resistance.