1. It will be better to ship by express or by air for small quantity.
The freight charge will be not expensive and you can receive the goods in 3-7days.
2. It will be better to ship by sea if the quantity is above 1000pcs. You can save much cost
It will take about 15-40 days, the specific sailing time depends on different destination.
3. For Amazon customer, we have full experience service of DDU FBA, you only have to take care of the sales on Amazon, and we do all the rest things.