When you are looking into the next bit of equipment for gym a slammer ball is what you need. These specially engineered medicine balls will allow for you to put all of your force into your throw without running the risk of having the ball bounce in an erratic fashion. Xtrainingequipment.com knows that your equipment needs to be able to take a beating and offers you only the highest quality slammer balls on the market. If you have any question please feel free to contact us! We are always happy to help you take your work out to the next level!