Creating your own postcards is quick and easy with Avery® customizable postcards. Whether you want to add a personal touch to thank you postcards, event invitations, important announcements, or other marketing collateral, these printable cards are the perfect blank canvases for beautiful custom designs. Cut from quality cardstock, every sheet features a series of meticulous perforations that make it easy to tear each card apart while still leaving behind a smooth, clean edge. These postcards meet U. S. postal regulations for mailing, which means you just need the address and proper postage, and it’s good to go. No envelopes needed! Easily customize your own promotional advertising, product instructions, thank you cards, and other postcards for mailing using Avery® Design & Print Online and available templates. Each sheet of printable cardstock features proprietary Sure Feed® technology that delivers a more reliable feed through your laser printer to reduce misalignments and jams. Enjoy a clean, professional finish from the micro-perforated design that allows for easy separation and a smooth border around each postcard. Print beautiful, double-sided designs on postcard paper made from heavyweight 80 lb / 216 gsm matte cardstock, optimized for laser printers, ensuring crisp, smudge-free printing. Avery® postcards meet U.S. postal regulations for mailing; just address, stamp, and mail - no envelope required! Item includes 50 printable sheets with a total of 100 blank 4" x 6" cards (two cards per sheet); please note that envelopes are not included. Forest Stewardship Council® (FSC®) certified - made from wood/paper that comes from forests managed to rigorous environmental and social standards, supported by the world's leading conservation organizations. Leadership forestry - from forests or sourcing programs that meet specific environmental standards, helping you support practices that better protect forests and the environment. | Printable Postcards With Sure Feed Technology, 4" x 6", White, 100 Blank Postcards