Feature:1. Free to adjust, can be light or heavy, antislip arc shaped handle, not easy to slide.2. Safety in use, secure and elastic water filling, both old and young children can use it.3. New generation of PPC material,healthy and environmental protection, no objectional odor.4. Small size, easy to store, can be carried around,convenient to use.5. Benefits of using dumbbells, for shaping, fitness, arm muscle training, increase strength or become healthy.Specification:Condition: 100% Brand NewItem Type: Water Filled DumbbellMaterial: PPCOptional Color: Blue 810KG Dumbbell, Black 810KG DumbbellSingle Bag Filling Water to 3/5 Full Weight: Approx.1550g/54.7ozSingle Bag Filling Water to 4/5 Full Weight: Approx. 2250g/79.4oz.Free to Adjust, Can Be Light or HeavyPackage List: 4 x Dumbbell Bag 2 x Dumbbell Rod 8 x Nut