Animal Friends Classroom Valentine SetA flat note is concise and smart. Not ostentatious, but clever. And without too much room, you can get right to the point, or be "well edited" as we like to say. This set includes 12 envelopes and 12 beautifully illustrated notecards, each with an extra illustration on the back. 4 of each design. Flat notes printed front and back A2 size measures 4. 25" x 5. 5" Envelopes included Rounded corners Made in U. S. A.