non-correspondence mail courier service
A specific service name (often associated with Yamato Transport) for sending small parcels, documents, or goods that are not classified as regular correspondence mail. Typically cheaper than standard takkyubin but with size/weight limits and no insurance for cash or valuables.
I'll send these documents by non-correspondence mail courier service.
The non-correspondence mail courier service is cheaper than regular takkyubin.
From English 'mail' plus 便 (bin, 'service' or 'delivery'). A coined term for a specific courier service category in Japan.