When Koopa Troopa isn't spinning out of control in Mario Kart, he's trying to organize all of his yellow envelopes (he doesn't like to be defined by his green shell, but his yellow skin). Our 6 x 9 envelopes are Koopa's favorite because they can hold whatever he needs, including ways to beat all of the other characters. Usually, Koopa puts everyone’s licenses in these envelopes so he knows everything about his opponents before the race. He doesn’t trust any of us who control him on the other end of the screen. That’s probably why if you choose him in Mario Kart, he never wins.
These yellow envelopes can store anything from those sneaky Mario Kart shortcuts you can’t seem to remember to invitations for that Mario Kart themed party you decide to have. Send a different colored envelope to each person for a hint at what character they have to dress up as. Send this yellow envelope to your least favorite person, because no offense to Koopa or anything - but ...
Yellow 6 x 9 Envelopes available with clasp and without clasp.
6 x 9 Clasp - Brite Hue Yellow Recycled
6 x 9 Open End - Ultra Lemon Brite Hue, Sunflower/Gold, Light Yellow
6 x 9 Booklet - Light Yellow, Yellow Translucent