Memories of libraries and, oh no, report cards. Such a wonderful shape. The basic sleeve - slide our A7 enclosure card inside for an invitation. In a red; strong, clear and exciting. Decorate with paper, photos, ribbon, or rubberstamps. Fits into our A7 envelopes. Click "alternative view" to see how this enclosure can be used and embellished.Size: 5" x 7" Sold in packs of 10.When designing, remember that darker colors may rub off on lighter colors. Consider using a layer (such as tissue) between the different colors.