Our practice Slingshot Mud Balls are made of high-end quality minerals from our facility based in Shijiazhuang. In our production, we focus on careful choosing and treating of the raw materials, so they achieve the best performance. All of our mud balls are made to have the same feel and weight which is important to have a good practice. Every production, in our facility, is put through a series of innovative quality control processes because it is important to us as a company. We distribute our mud balls to different places because we recognize the different backgrounds of our global customers and the different practice situations they might need, whether it is a city or a field. Global users can have a greater practice experience because we strive to provide versatile custom solutions.