Energetics Dumbell Weight PVC Dumbbell is a very useful exercise tool for whether you want to lose weight tone up improve your fitness or get stronger. PVC Dumbbell training can help you achieve your overall fitness goals. Energetics dipped dumbbells are a vinyl coated weight that has a comfortably shaped grip that will suit most hand sizes. Rounded ends with a small flat spot helps to stop roll away when you are swapping between weights and do not have a rack for storage.