Why you need it Combines water resistance with convenient hydration access, enabling you to build strength while staying hydrated during workouts. Adjustable within a range from 500 ml (1 lb) up to 2500 ml (5 lbs), allowing you to tailor resistance as you progress. Suitable for poolside sessions, rehabilitation exercises, and outdoor group training where water resistance matters. Five color options to fit your active lifestyle, maintaining structural integrity in a 0 40 C environment for reliable performance. What makes it stand out Multifunctional use as adjustable water dumbbells integrating hydration capacity with resistance training for efficient pool workouts. Wide temperature tolerance (0 40 C) ensuring consistent performance across common workout environments. Clear capacity range (500 ml to 2500 ml) providing precise load control from light to strong resistance. Key specifications and attributes Function: Multifunctional adjustable water dumbbells for resistance training and hydration management. Compatibility: Intended for poolside use, rehabilitation exercises, and outdoor group training. Size / Capacity: 500 ml (1 lb) to 2500 ml (5 lbs) per dumbbell. Color options: Five colors available. Performance: Designed to maintain structural integrity across 0 40 C for reliable workouts. Use scenarios Poolside strength training and rehabilitation: adjust the water volume to control resistance while performing targeted movements in water, with easy access to hydration during sets. Outdoor group training: use in water based circuits or team sessions to provide scalable resistance for multiple participants and varied fitness levels. Home pool workouts: progressive loading from 1 lb to 5 lbs supports gradual strength gains and consistent hydration management during routine pool exercises.