NBTX themed card series. 8 cards per pack, 2 cards per design.

I'll Always Have a Tube for You
You Drive Me Crazy

It comes with a plain white envelope. Cards are printed on heavy, white, card stock and sent in a COMPOST-ABLE sleeves to protect it on it's way to you. I avoid using backing boards or rigid mailers for shipping because I haven't found an environmentally sound option.