International Sea Mail | Japan Post
International Sea Mail | Japan Post
International sea mail is the ideal choice for cost-conscious customers. Well suited to bulk shipments, large items, and non-urgent deliveries, it offers substantial cost savings compared with air freight.
Service Overview
Japan Post
From Japan → Worldwide
Approx. 1–3 months after dispatch (depending on destination)
Up to 30 kg per package
Tracking number issued for parcels
Benefits of Sea Mail
Outstanding Low Cost
Ship at roughly 1/2 to 1/3 of the freight cost of air freight.
Ideal for Bulk & Heavy Goods
Perfect for replenishing inventory at overseas warehouses and for large-lot B2B exports.
Tracking Support
Tracking numbers are issued for parcels. We also support checking on customs clearance status.
Eco-Friendly Delivery
For the same volume, emissions are lower than air freight, making it an environmentally friendly option.
Typical Use Cases
Initial stocking of overseas warehouses, large-format merchandise, and cost-driven B2B exports.