Send packages with the help of these mailers! These items are available in four different sizes so they can easily handle a variety of different items. One case of these products equates to 500 bags in total. You’ll love the convenience of these bags when sending mail to friends, family, colleagues, acquaintances, and more. Additionally, these items can be useful for those who work in offices or mailing rooms as they take out all the hassle of finding proper packaging.