Publication 2 - Packaging for Mailing - Postal Explorer - USPS.com

Bulk Mail Center Standards6-6.2.16-5.4 Sound Recordings From 20 to 40 Pounds6-5.4.1 PackingA mailing of sound recordings (in paper sleeves, paperboard, or chipboardshells) weighing from 20 to 40 pounds must be packed in at least one othershell (paperboard, chipboard, or plastic) in at least a 175-pound testfiberboard outer box (or equivalent).6-5.4.2 ClosingThe outer mailing container must be securely closed with adhesive, kraftpaper tape, equivalent plastic tape, or staples. It should also be reinforced attwo points with pressure-sensitive filament tape or firmly applied nonmetallicbanding. Reinforced tape is adequate both to close and reinforce the outercontainer.6-5.5 Sound Recordings From 40 to 70 Pounds6-5.5.1 PackingA mailing of sound recordings (in paper sleeves, paperboard, or chipboardshells) weighing from 40 to 65 pounds must be packed in at least one othershell (paperboard, chipboard, or plastic) in at least a 200-pound testfiberboard outer box (or equivalent). A mailing weighing from 65 to 70 poundsmust be packed in multiple shells in at least a 275-pound test fiberboard box(or equivalent).6-5.5.2 ClosingThe outer mailing container must be securely closed with adhesive, kraftpaper tape, equivalent plastic tape, or staples. In addition, the outer containermust be reinforced at about 8-inch intervals on all sides around the container.Reinforced tape is adequate both to close and reinforce the outer container.6-6 Magnetic Tapes6-6.1 GeneralMagnetic tapes, cassette tapes, and cartridges present special problemswhen their mailing containers (especially for small quantities) orreinforcement (for large quantities) are inadequate.6-6.2 Magnetic Tapes up to 5 Pounds6-6.2.1 PackingFor a single tape, the tape must be packed in a plastic film wrap of at least0.75 mil, in a cushioned bag, or in a cushioned paper bag of at leastPublication 2, January 200231