These water dumbbells are a versatile and user-friendly aquatic fitness tool designed to deliver effective, low-impact resistance training in water. A key feature is their customizable assembly—users can freely select the number of Eva foam plates to attach on each side, allowing them to adjust the buoyancy, size, and resistance level according to their strength and workout goals. The product is also available in convenient pre-configured long-handle and short-handle sets, as well as individual Eva foam sheets, offering flexibility to suit personal preferences and varied training routines.