It is important, however, to make sure color is used correctly on your envelope. For instance, the mail scanners of the postal service cannot read certain shades of red and green. The glow from such paper stocks and inks can cause malfunctions during postal mail processing and delays in delivery. The mail-piece design analyst at the post office can provide you with a list of acceptable colors to use. Size Matters Envelopes are available in a variety of grades, colors, finishes, weights, sizes and styles, each with a different cost.
Most businesses save time and money by using standard-size envelopes.
However, when inserts are thick or bulky, extra allowances must be made. All must be rectangular. Odd shapes are nonmailable. Ask your local printer for a cost estimate on a custom-made envelope. There are many elements to consider when it comes to choosing the right envelope for your business's or organization's direct marketing message.