What is the roll off dumpster cost in Denver? The simple roll off dumpster is typically made of steel and holds around one ton, thirteen,500 pounds, or three thousand square feet of waste. The unit is not very heavy and can be moved from one location to another when needed. When you purchase a Dumpster, you have to pay for the size and weight of the container, but it does not have to be the full size or weight that you may need.