Blank six-sided printable box template (aka hexagon, hexagonal). I would add sides to the lid for more stability. Found by clicking on the words "Hexagon Box" below the pictures on the webpage. A very handy site.
Retail Gift Box with Die Cut Template
DIY Heart Favor Box Tutorial
Click here for more tutorials.
Create your own Flower Tab Gift Boxes out of paper! FREE printable template by thinkingcloset.com
DIY GIANT PAPER ROSE FLOWER
Poppies - try with streamers http://www.foxyfolksy.com/2014/10/diy-project-autumn-wedding-how-to-make-paper-flowers-part-1.html