Large (AKA Jumbo) Sized Postcards - Measure 5 1/2" x 8 1/2" each 2 Jumbo Postcards per standard 8 1/2" x 11" sheet make it easy to work format and print Made from a 65lb Cover (176 gsm) White Cardstock - Sturdy enough for mailing but thin enough to print without issue Works on any printer type - Inkjets, Lasers, and Copiers Our jumbo postcards come on 8 1/2" x 11" page 2-up. Each large post card measures 5 1/2" 8 1/2". These cards are Inkjet and laser compatible and are perforated for easy breaking. Made from 65lb cover.