Reviewing the mail piece specifications on the SendPro P

Learn how to review the mail piece specifications on the SendPro P

Products affected: SendPro® P1000, SendPro® P1500, SendPro® P2000, SendPro® P3000

Envelope dimensions

MinimumMaximum

89 mm x 127 mm postcard size

SendPro P1000, SendPro P2000: 330 mm x 356 mm

SendPro P3000: 381 mm x 381 mm

 

Envelope thickness

MinimumMaximum

SendPro P1000 and SendPro P2000: 0.007 mm

SendPro P3000: 0.18 mm

SendPro P1000 and SendPro P2000: 16 mm

SendPro P3000: 19 mm

 

Envelope flap depth for sealing

MinimumMaximum
25 mmSendPro P1000 and SendPro P2000: 76 mm

SendPro P3000: 98 mm

  • For envelopes with a flap length from 25 mm to 60 mm, the minimum flap angle is 18 degrees.
  • For envelopes with a flap length greater than 60 mm to the maximum flap length for the particular model, the minimum flap angle is 21 degrees.

FlapAngleCriteria-sized_500x490

 

Acceptable envelope materials

Material type and finish must be matte and may include (if available in your market):

  • Standard envelope paper
  • Self-mailers
  • Tri-fold mail
  • Pre-sealed envelopes

Envelope Flap Profiles

  • Commercial (square and baronial)
  • Executive
  • Monarch

Note: Do not use envelopes or fliers made with glossy materials. Also, do not use envelopes too fragile (such as air mail envelopes) to pass through the feeder.

 

UPDATED: 16 June 2025