If you're on the market for a cooler, you might get a bit overwhelmed by the amount of choice you have. However, that's not an entirely bad problem to have, unless you have no clue what you should look for when picking the ideal cooler for your needs. Do you want a simple everyday lunch cooler, or a larger one with outstanding performance and durability that you'll be able to take everywhere you go? Whichever your choice may be, there are a couple of essential factors to consider.