Avery 8383 Photo-Quality Glossy Postcards for Inkjet Printers, 4 1/4 x 5 1/2, White (Pack of 100) Create professional-looking invitations, announcements, reminders, seasonal offers and more. Sturdy bright white cardstock is either matte-coated for vivid graphics and sharp text or has a premium quality glossy finish ideal for photos. Ultra-fine perforations let you separate cards cleanly and easily. Meets U.S. postal regulations for postcards. Easy to customize with free templates and designs using Avery Design &amp; Print Online.