Ideal for poolside, rehab exercises, or outdoor group training, combining water resistance with quick hydration access. Key features Adjustable capacity from 2500 ml / 5 lbs to 500 ml / 1 lb, enabling scalable resistance and hydration load during workouts. Five color options to match an active lifestyle and improve visibility and organization. Durable construction that maintains structural integrity in environments from 0 to 40 C, suitable for a variety of performance settings. Multifunctional use as water dumbbells that integrate hydration management with resistance training for efficient sessions. Who this is for Fitness enthusiasts looking to add progressive resistance and hydration management to workouts. Patients undergoing rehabilitation who benefit from controlled resistance in water. Outdoor athletes and group training participants who need versatile equipment for strength building and hydration on the go. Use scenarios Pool workouts: perform resistancebased exercises in water while keeping hydration readily accessible between sets. Rehabilitation sessions: use adjustable load in water to support mobility, strength, and recovery with convenient hydration during breaks. Outdoor group training: integrate waterbased resistance with hydration management for team workouts in parks or beaches, promoting sustainable training and recovery. Performance and benefits Combines hydration and resistance training in a single, adjustable tool for effective poolbased workouts. Five color options provide or teamcoordinated gear without compromising durability or performance. Broad temperature resilience (040 C) ensures reliable use across different climates and environments.