On September 8th, 2009 the United States Postal Service is making some significant changes to the standards for Letter-Sized Booklets.
The good news is that HBP has the equipment and people in place to make this a smooth transition for you.
| the spine or final fold is… |
And the length is… |
The cover stock must be at least… |
Mailers must seal the piece with… |
And place the tabs in these locations… |

Spine or fold on the bottom (longer) edge |
5" to 9" long |
50-pound |
Three 1.5" non- perforated tabs |
Two tabs on leading edge; one tab on trailing edge. Position lower leading tab 0.5 inch from the bottom edge. Position upper tabs 1 inch from the top edge. |
| Over 9", up to 10.5" long |
60-pound |

Final fold on the bottom (longer) edge, with the folded spine on the leading or trailing (shorter) edge |
5" to 10.5" long |
40-pound |
Three 1.5" non- perforated tabs |
Folded Booklet
Two tabs on leading edge; one tab on trailing edge. Position lower leading tab 0.5 inch from the bottom edge. Position upper tabs 1 inch from the top edge. |

Spine on the leading (shorter) edge |
5" to 9" long |
60-pound |
Three 1.5" non- perforated tabs |
Two tabs on top edge; one tab on trailing edge. Position top tabs 1 inch from left and right edge. Position trailing tab in the middle. |
| Over 9", up to 10.5" long |
70-pound |

Spine on bottom (longer) edge, non-perforated inner flap on top (upper) edge |
5" to 9.5" long |
80-pound |
Continuous glue line or glue spots |
Perfect bound or saddle stitched with a continuous glue line along flap preferred, minimum 1inch glue spots acceptable if placed within ¾ inch of right and left edges. |