💧 A Dynamic Duo of Water and Air: Experience the ultimate workout versatility with our Mini Hydro Ball Bundle. This bundle allows you to choose any combination of our 6.5-inch and 8-inch Mini Hydro Balls, each designed to provide a dynamic and engaging fitness experience. The Mini Hydro Balls are filled with water and compressed air, creating a shifting resistance that challenges your muscles with every move. Customize your bundle by selecting the color and size that best suits your style and workout space. Pick two of the same size or mix and match for maximum flexibility. 🤚 Master Your Grip: The Mini Hydro Ball 6.5 features a single adjustable handle, perfect for enhancing grip strength and control. Whether you're a baseball player, softball player, quarterback, waterpolo player, tennis player, improving your grip can significantly boost your performance. The versatile handle also aids in mobility and strength drills, making this ball an excellent choice for a variety of exercises.