Popping bubble wrap is an enchanting idle pass time, is not it? Admit it, some of your fondest childhood recollections are of you popping away at a sheet of the stuff with absorbed curiosity, right? In these treasured idle moments did you ever wonder how that bubble wrap is made? Or how these perfect little pockets of air are trapped between the plastic just to your popping pleasure? Read on to find out precisely how it's all done.

First, granules of plastic are closely sprinkled onto a heated conveyor belt. This warms the plastic grains to a pliable consistency, although they still hold their shape. Think of those bits of plastic like heated chocolate chips; even when they're sizzling they still stay the same form unless disturbed, at which level they develop into liquid. So the warm plastic grains pass under a roller which squashes all of them flat. During this squashing, the person bits of plastic get melded together and a thin, clear sheet of plastic emerges on the opposite side of the roller.

Now, two of those sheets are used for making bubble wrap. One has the actual bubbles and the other acts as a cover to seal the air in. To type the bubbles, the first sheet is wrapped round a cylindrical bar with little bubble shaped indentations in it. Because the plastic is held taut on the cylinder, suction pulls it into each little hole, shaping the bubbles by stretching plastic into the dents. This is so much like if you poke you finger right into a taut sheet of plastic wrap and go away a dent.

Finally, the second sheet of plastic is laid on top of the first, trapping the air in the bubbles between them. A blast of scorching air seals the two sheets together into a single piece and voila! bubble wrap! The factory packages the bubble wrap (no stuffing required there) and ships it off. The various firms and businesses that use this product on a regular basis receive it and package their own items in it to protect them from damage in transit.

So the following time a big package arrives at your door and you rip it open to search out it stuffed with bubble wrap, think back to the factory the place that stuffing was made. And while you're indulging your inside child by enjoying with your noisy improvised toy, keep in mind the simple process that created this wonderfully amusing material. Happy popping!

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