Best Postcards AI pick

Chosen by an AI model from its trained knowledge, with its reasoning.

AI pick (line): Avery Printable Postcards

These sheets are sized to standard postcard dimensions with templates, so home-printed cards qualify as postcards and print with the right alignment.

Not for: Bulk mailers sending thousands of cards, which a commercial printer handles more economically.

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What the AI looks for in Postcards

USPS postcard size
Rectangular, from 3.5 x 5 in up to 4.25 x 6 in Larger cards are charged as letters.
USPS thickness
0.007 to 0.016 in thick Thinner stock is not mailable as a postcard and gets damaged in sorting.
Address side
Uncoated or matte back Glossy backs smear pen ink and postal markings.
Printer match
Match inkjet or laser version to your printer Coating compatibility determines print quality.

Brands that matter

  • Avery: Printable postcard sheets with templates.

What to avoid

  • Cards larger than 4.25 x 6 in if you want postcard postage
  • Glossy both-sided stock you need to write on

All of Cards & Card Stock