Okay, so me and my mom live in different ends of the country and we love to send cute mail back and forth!! But I am SO FAR BEHIND on sending cute things her way. In the last month, she's sent me a "thank you for being you" card, an "early birthday card" (my birthday is in March lol 😂), and an ENORMOUS postcard !!

So I'm putting together a "penpal" folder type thing?? Like this or this or this . Does anyone have experience mailing these?? Mine may end up being quite bulky... Should it be in an envelope ? (I would rather not so I can fully decorate it!!) Can I tie it up with string and leave that on the outside, or no?

Thanks for the help !!!