Product Specifications

Postcards are printed on premium 16 pt. card stock. 

  • Sizes available: 4x6 and 8.5x5.5
  • Orientation: Create Your Own postcards, Upload Your Own postcards, and many Costco design templates are available in horizontal or vertical orientations.
  • Printing: Full-color printing on both sides. Double-sided or single-sided printing available.
  • Finishing: All postcards feature gloss UV coating on the front and a matte finish on the back.

Upload Guidelines

  • Do not include crop marks
  • Maximum file size of 50 MB
  • To avoid color changes, save your files in RGB
  • To ensure your postcards will not have an unintentional white border, the uploaded postcard image should
    • Measure 4.25 x 6.25” for a 4 x 6” postcard
    • Measure 8.75 x 5.75” for an 8.5 x 5.5” postcard in order to account for the full trim area
  • Please ensure all pertinent information and design features are
    • Centered on the card in an area measuring 3.875 x 5.875” for a 4 x 6” postcard
    • Centered on the card in an area measuring 8.375 x 5.375” for an 8.5 x 5.5” postcard

Image Information

  • The builder displays the information and images guaranteed to be featured on the postcards. Please be aware the actual printed area will be 1/16th” larger than what you see.

Recommended File Format

  • Vector-based PDF with outlined text (PDF/X-1a is preferred)
  • Learn more about Accepted File Types

Final Trim Size

Recommended Resolution (300 dpi)

4” x 6”


8.5” x 5.5”


Download our postcard design template: 4x6 or 8.5x5.5

  • The builder displays the area to be printed, highlighted here by the green line. This means the trim area is not visible in the builder.
  • Note: a small amount (1/16th”) of the trim area will be printed on your final product.

Pricing & Shipping

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