If you choose: China Post Ordinary Small Packet Plus does not need to add a registration fee (remote areas automatically added shipping), there is no logistics information, this logistics will be lost the possibility of packet loss platform will not.
If you choose: China Post Registered Air Mail or AliExpress Standard Shipping
Buyers need to add the corresponding registration fee, you can check the logistics information, this logistics security, problems arise platform will actively handle and give compensation.
The above logistics, post offices in some countries will not be delivered to your door, buyers need to contact the local post office to receive their own package. (This is what we sellers can not control, please understanding!)
1) normal conditions: 16-35 days to reach their destination
2) special circumstances: 35-60 days to reach their destination, special circumstances include: holidays, policy adjustments, remote areas, etc.