It's because this kind can be shipped deflated and easily filled by the shipper using a small desktop machine that inflates it from the edge. That way they don't have to pay to ship and store giant rolls of mostly air. It quickly pays for the cost of the machine.
It's because this kind can be shipped deflated and easily filled by the shipper using a small desktop machine that inflates it from the edge. That way they don't have to pay to ship and store giant rolls of mostly air. It quickly pays for the cost of the machine.