Hazardous Material Shipping

OSM Worldwide follows USPS guidelines for shipping hazardous materials. For reasons of safety, most hazardous materials are non-mailable. However, some hazardous materials and otherwise restricted matter, or perishable matter are permitted to be mailed when the requirements of the USPS are met.

For a list of items and definitions of other terms that relate to hazardous materials, refer to the USPS Hazardous Materials Guidelines:

• General Guidelines
• Hazardous Materials
• Restricted Materials
• Perishable Matter
• International Mail
• HAZMAT Search Tool

Additional resources for shipping hazardous materials:

• U.S. Department of Transportation
  Check the Box – The Facts on HAZMAT