This DIY is simple and easy, and your guests will be in awe of your attention to the detail (because let's be honest, we do the extras for the compliments).
Reusable Cake Flag DIY
colored card stock
To make, fold desired card stock paper in half, hamburger style. Cut triangles out with one side being the fold. Open up the triangles so they are their diamond shape. Put glue on one half. Insert toothpick (for a cupcake flag, as pictured below) or string (for cake flags, as pictures above).