
Pre-Printed Insert Specifications
VERSION CODING:
All materials must contain a unique version code – a series of letters and numbers that identify each version of the advertisement for proper mailing distribution.
OVERRUNS:
Mailbox Merchants® requires a certain percentage of overruns to complete each job. Quantities of less than 40,000 require a 5% overrun, 40,000-75,000 require 3% and 75,000+ require 2% overrun. For orders that will run in multiple markets or on multiple in-home dates, please add an additional 2% overrun.
ADDITIONAL CHARGES:
$4.00 per thousand will be added to standard pricing for any insert that falls into the oversize materials category.
EARLY COPY RESTRICTIONS:
Copy should arrive no earlier than 18 days before the in-home date. Storage fees of $50 per pallet per month will apply to product stored over 30 days.
Mailbox Merchants® will make every effort to notify clients and provide solutions whenever a problem or variance with client-supplied material exists. In the event a client cannot be reached, Mailbox Merchants® reserves the right to proceed with the job in a manner judged to be most advantageous to both parties.
Download a copy of our Pre-Print Specifications

Pre-Printed Insert Specifications
VERSION CODING:
All materials must contain a unique version code – a series of letters and numbers that identify each version of the advertisement for proper mailing distribution.
OVERRUNS:
Mailbox Merchants® requires a certain percentage of overruns to complete each job. Quantities of less than 40,000 require a 5% overrun, 40,000-75,000 require 3% and 75,000+ require 2% overrun. For orders that will run in multiple markets or on multiple in-home dates, please add an additional 2% overrun.
ADDITIONAL CHARGES:
$4.00 per thousand will be added to standard pricing for any insert that falls into the oversize materials category.
EARLY COPY RESTRICTIONS:
Copy should arrive no earlier than 18 days before the in-home date. Storage fees of $50 per pallet per month will apply to product stored over 30 days.
Mailbox Merchants® will make every effort to notify clients and provide solutions whenever a problem or variance with client-supplied material exists. In the event a client cannot be reached, Mailbox Merchants® reserves the right to proceed with the job in a manner judged to be most advantageous to both parties.
Download a copy of our Pre-Print Specifications
Pre-Printed Material Requirements


LENGTH: Length is measured by the spine (folding edge). All products are inserted by the spine.
WIDTH: Width is measured from the spine to the open edge.
EXCEPTION REQUESTS
These materials require prior approval and customized price quoting.
- Any pieces that fall outside Production Specs PLUS
- Die Cuts
- Paper Bags
- Side Stitched Products
- Pre-nested Products
- Envelopes
- Padded, Non-uniform or Uneven Surfaces
- Magnets
- Product Samples
- Bumper Stickers
- Tipped-on-Attachments
- Plastic Bags
- Perforated Pieces
- Spadia/Dutch Door Gate Folds
- Non-flexible Products