When most people think of those popular plastic storage bags, they think of clothes and bedding storage first. When a process works, alternative uses develop. And, that has happened to these durable, lightweight and safe plastic bags.
One of those uses is for food storage. These bags are a far cry from your old lunch box or even from those zip-lock type self sealing bags that are not entirely moisture free and have air left in the bags. The new vacuum-sealed bags prolong the life of canned products, leftovers, sandwiches and just about everything else, except liquid products.
How They Work
Technology has played a big part in the development of these new bags. The result is that different manufacturers have different designs. One of the new designs requires the use of a small vacuum sealing device, which is about the size of a three holed paper punch used for office filing.
The user packs the bags with whatever non-liquid foodstuffs or canned goods are needed. Make sure to leave about a three inch gap to the open mouth of the bag. Slide the open end into the sealer and turn on the switch. The device then sucks all the air from inside the bag. Once the bag is air-free, the vacuum heat seals the bag.
The three inch gap allows the user to re-enter the bag to remove stored goods or to add new products. Before placing the bag back on your cupboard shelf or in the fridge, make sure to re-seal the top
Another Type
Other manufacturers have developed other solutions, the most popular of which is a top loading bag that features a self-contained air valve. Once the bag is loaded, again permitting a two-three inch gap, and the bag is closed, the user connects the household vacuum hose to the air valve and draws all the air from inside the bag.
When all the air s out of the bag, simply close the valve and disconnect the hose. Your neat, tidy bag is ready for stacking or placement. These bags come in 11 different shapes and sizes.
One advantage of this storage bag is the stackable shape of the unit. Multiple bags can be placed in the freezer, refrigerator or on cupboard shelves. These are similar to the bags used by most supermarkets, who have large volumes of food to store for periods of time.
Shapes and Sizes
The bags that require purchase of a form fitting vacuum sealer are sold in either 8″ or 11″ inch rolls about 33 feet long. They have a double surface to protect against puncture. Other bag manufacturers use a variety of measures to improve insulation and heavy-duty exterior protection.
Twelve manufacturers produce the bags. Some are clear-colored while others have colorful designs. There are wide discrepancies in prices, but study the products carefully and do some research. Like all products in a competitive industry, you usually get what you pay for. In any case this is one area where proper design is helping to preserve food goods longer, allowing the consumer to buy in quantity and save money. The right vacuum-sealed storage bag provides a win-win solution.
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