Wu's vertical sandbags are of good quality. According to relevant public information, Wu's vertical sandbags have the advantages of strong stability, space saving, adjustable height, strong durability and improved comprehensive quality. It is a very suitable training equipment for families and gyms. Wu's vertical sandbags are designed with a triangular stable base, and the bottom is filled with water or sand, which can improve the stability of sandbags, avoid toppling or shaking during use, and improve the safety of training. Wu's vertical sandbags are made of high-quality materials and have good durability. The surface of sandbag is made of PU material, which is not easy to wear and deform and can be used for a long time.