The Grower's Cup coffeemaker is billed as a hybrid between a filter dripmaker and a coffee plunger. But it's more portable and completely disposable, making it easier to carry and use during camping trips or any emergency that can be resolved with a cup of coffee.
The waterproof polyethylene-coated paper bag comes with 25 grams of ground coffee inside (available in different flavours). To brew a single cup, you simply open the bag from the top, pour in half a litre of boiling water, and then pour out your dose of caffeine through a spout on the side. Because of where the filter and coffee are positioned, the brew doesn't touch the grounds while it's percolating, so it doesn't have the chance to get bitter. And the specially designed filter supposedly works like a coffee plunger to preserve the coffee's oils, flavour and aroma.
The Grower's Cup pouches are currently only available in parts of Europe and sell for just under £2.50 ($3.80). So they're comparable in price to a fancy Starbucks coffee, except you'll be hard-pressed to find a cafe if you're roughing it deep in the woods.