Made from extra thick and very soft, joint-friendly material, expertly crafted. At the same time, these are extremely robust: bursting is out of the question. The medicine balls are skin-friendly, free of harmful substances, non-slip, and particularly durable. These medicine balls help you strengthen specifically targeted muscle groups in your body. Stay fit by performing the simplest exercises with the medicine balls. They are designed to further enhance the results of your intense workouts. Train whenever and wherever you want. Particularly easy to care for, simple to use, store, and transport. Resistant and durable materials, suitable for beginners and professionals. Material: 100% rubber.