Pitney Bowes DM125 Operator's Manual page 197

Specifications
Material Specifications
Item
Minimum Size
Maximum Size
Minimum Flap Depth
Maximum Flap Depth
Minimum Thickness
Maximum Thickness
Maximum Stack Height for Mail
NOTE: For best results, always make sure your material conforms to these specifications.
Pitney Bowes Operator Guide
Description
5" x 3" (127 mm x 76 mm)
15" x 13" (381 x 330 mm)
7/8" (22 mm)
3" (76 mm)
0.007" (0.18 mm)
3/8" (9.5 mm)
2.5" (60 mm)
February, 2017 Page 197 of 226