Half-Fold Greeting Cards, Inkjet, 5 1/2 x 8 1/2, Matte White, 30/Box w/Envelopes, Sold as 30 Each Inkjet greeting card sheets are perforated for easy separation. Now you can create store-bought quality cards. Ideal for party invitations, birthday cards, holiday cards, anniversary and wedding announcements, graduation and more. The high quality heavyweight card stock and special two-sided coating are designed to maximize the brilliant color. Microperfs and premium scoring allow for easy folding and a clean neat edge.