These "avia" stickers fit to any envelope! They wouldn't take too much place. The second sheet will help you to finish envelope decoration, also you can use some stickers for your planner. Download link
Enjoy! I'm waiting for reviews with a link to me ***
In Russian tradition mandarin is one of symbols of New Year. Envelope is a little bit different with the photo, but with the same mandarine watercolor. You can add any decorations you like to make it more "holiday". Find it on my gumroad page for free!