First thing to take into consideration is the size of the container. There are various sizes out there some of which are available in packages (which is good as a sampler, but you run the risk of having certain sizes that you just don't use). Consider what your uses are, and select the best sizes accordingly.
The second thing to consider is the material the container is made out of. Many airtight containers are made of plastic. However, there are others made from metal and glass. Quality, durability, and usage are the most important elements to take into consideration when it comes to choice of material. Glass food storage containers are easy to maintain since they are dishwasher safe, but they are extremely heavy. Plastic containers make much more sense if you need portable storage.
Thirdly, cost is another important thing to take into consideration. In many cases quality materials will be a little expensive as compared to substandard materials however, you might be saving money in the long run by buying containers which don't need to be replaced as often.
To ensure that your airtight containers are at their best functionality, the container's lid must tightened appropriately. Sometimes the lid is not completely sealed which (obviously) leads to a decreased level of effectiveness. Before purchasing new food containers, ensure that the container and its lid do not have any manufacturing discrepancies - both on functionality and design.
The best airtight containers can be used to keep food in good condition. Considering the availability in the market and the number of available options, it should not be a problem getting the right kind of airtight food containers to satisfy your needs at a pocket friendly rate. Food storage containers can be used to store both fresh foods and dry foods. When used to store dry foods, airtight containers will prevent moisture, insects and rodents from getting to the food. Finally, airtight containers can be used to carry food either to school or work place to make it fresh and edible until the food is used.