Postcards
Send full-bleed postcards in 4×6, 6×9, or 6×11 sizes - the most popular and cost-efficient thanks.io mailer type.
Letters
Send windowed or windowless 8.5×11 letters - ideal for formal communications, long-form content, nonprofits, and multi-page PDFs.
Send a PDF Letter
Upload any PDF as a windowed or windowless letter - the complete step-by-step guide for sending newsletters, insurance documents, CMA reports, and multi-page content by mail.
Notecards
Send 5.5x8.5 folded Notecards with a real postage stamp - the premium thanks.io format for personal thank-yous and high-value relationship building.
Gift Cards
Send branded physical gift cards by mail with a real postage stamp and QR code redemption - ideal for customer appreciation and win-back offers.
MagnaCards
Send 6×9 magnetic postcards that stick to refrigerators and metal surfaces - thanks.io's highest-staying-power mailer for real estate and local services.