So you need a custom mail envelope icon in illustrator? Well, you have come to the right place. We will teach you how to create a simple but styling mail envelope icon or vector graphic that you can use for your various business or commercial prints. From the covers of your catalog prints to your flyer printing pieces, these mail icons should come in handy when you want to convey the message of being able to be contacted through snail mail, or even email actually. So just follow the simple tips below and discover.