USPS Packaging Instruction 2B

Nonflammable Gases

A Class 2, Division 2.2 nonflammable gas that qualifies as a Limited Quantity air or Limited Quantity surface material is mailable provided that all applicable requirements in 342 are met and it is properly packaged as follows.

Proper Shipping Name

ID Number


Required Packaging

Primary Receptacle(s)
Cushioning Material
Outer Packaging

The following labels and text markings must be placed on the address side of the mailpiece unless specified in 221.1 and 325.1.