International shipping is priced on weight, but a light, bulky box can be charged on its volume instead. Agents show an estimate first, then bill the actual chargeable weight after packing.
- Estimated weight is calculated from the stored item weights plus packaging.
- Actual chargeable weight is measured once the box is packed.
- Volumetric weight can apply when a parcel is large but light.
- Any difference between estimate and actual is reconciled — overpayment is refunded.
To keep cost down, remove bulky original packaging where safe and balance heavy items with light ones.