The inflatable dumbbell is practical to use, the weight of weights are adjustable since the water volume is controllable and depends on your need
Weight bags are made of quality PVC, it excels well in excellent airtight feature, notl eaks water, and very durable. And because it’s soft so it won’t hurt the floor when you drop it
Detachable design: make it easy to assemble to use and convenient to deflate for carrying or storage. Comes with necessary fittings