A. Rifkin Co. introduces its Heavy-Duty Commercial Grade Courier Bag. Each Rifkin Courier Bag is manufactured with a built-in, high-security lock that is trusted by over 30,000 commercial businesses, financial institutions and government agencies. From classified documents to high value bearer bonds, the Heavy-Duty Courier Bag is the go-to option for secure transit. The large-capacity, commercial grade courier is available in multiple sizes, materials and colors to meet your operational needs. Additionally, bags can be further personalized with ID windows or embroidery.