This adorable XL box card packs a serious punch!! It measures 8x10 when complete and folds FLAT to fit in a standard 9x12 envelope! Use it as an XL sized card or use it as a table decoration for a party. It's broken into pieces that are all 8.5x11 compatible. You may want to reinforce the balloons with popsicle sticks for extra stability. SVG included.