tire pvc sand filling gravitational ball fitness ball strength training ball weight sand ball

This tire-pattern sandball is a fitness tool! It is made of high-quality wear-resistant PVC material, which is resistant to falling and durable, able to withstand high-intensity training. The unique tire-tread design on the surface provides excellent traction and grip, making the training safer. The internal filling of even iron sand ensures stable center of gravity, making it easy to control, whether for explosive power training or strength enhancement.