Feature:1. Pour water into the ball bag and adjust to the appropriate weight as needed. (8-10 kg)2. Portable design, can be carried around, convenient and fast.3. The high-quality PVC material, no leakage, the plug is firm and not be loosened.4. Safe, portable and eco-friendly, suitable for most of people, they will have healthy.5. The benefits of using dumbbells, for shaping and fitness, increase strength or fitness.Specification:Condition: 100% brand newItem type: Water DumbbellMaterial: PVCColor: blackSize(length x width): Approx. 34x19cm/13.38x7.48inWeight: Approx. 697g Package List:4 x Dumbbell bag2 x Rod8 x Screw