Standard-Sized Folded Cards QuantumPostcards Support July 09, 2014 21:00 Updated Click on the file below to download Guideline Templates. Folded Cards Standard JPEG.zip 2 MB Download Folded Cards Standard PDF.zip 100 KB Download Folded Cards Standard PUB.zip 2 MB Download Related articles PDF Proof Review Tips Jumbo-Sized Folded Cards File Specifications vs. Finished/Trimmed Size Folded Cards Standard Direct Mail Postcard 4.25" x 5.5"