Buying blank postcard paper allows you to create custom, professional-looking mailers at home for marketing, invitations, or personal greetings. To ensure your postcards are mailable, the paper must meet specific USPS guidelines, generally requiring a minimum size of 3.5" x 5" and a thickness of at least 0.007 inches. Types of Blank Postcard Paper
: These often come as 8.5" x 11" sheets with 2 or 4 cards per page, featuring ultra-fine perforations for clean separation. Brands like Avery are common in this category. buy blank postcard paper
: Thick, brown paper (often 350 GSM) suitable for a rustic look. Buying blank postcard paper allows you to create
: Heavyweight stock (around 140 lb) designed for hand-painting or artistic media. Printing Your Own Postcards: A Complete Guide - Ftp professional-looking mailers at home for marketing