With National Letterwriting Month in full swing, we are seeing a lot of black ink markers and pens being used for cards, envelopes, and postcards.
When picking out which marker you are going to use for your mail, it can seem like the only decision you need to make is the size and shape of the tip. Remember to also consider that the type of ink is important too! If your paper/envelope has a glossy finish to it, you may have issues with the ink smudging and smearing off. And what if it rains on your mail during its travels? Will the ink run when it gets wet?…