the China Post Air Mail is slow, so when you choose China Post Air Mail, please check if the time is ok for you; and If you need the dress Urgent, then you can choose e-EMS,EMS,DHL,UPS,Aramex,Fedex,SF express,RPX,GATI etc.
china post:25-50 days (Arrive All Countries, Send to Brazil need 50-80 days).?
By ePacket :10-20 days (Arrive Unite States,Russia,Austrlia,UK,France,Israel,Saudi Arabia,Ukraine,Brazil,and so on )
By GATI :8-12 days (Only Arrive India)
By SF express :7-10 days (Arrive USA ,Japan,Singapore ,Korea, Malaysia, Australia, India, Vietnam)
By DHL :7-9 days? ? ? ? ? ?By UPS :7-9 days? ? ? ? ? By E-EMS :10-20 days .
By EMS :8-12 days? ? ? ? ?By Fedex :7-9 days? ? ? ?
By RPX :7-10 days? ? ? ? ? By Aramex :7-8 days .?

The below picture can tell you how to measurement.if you have some questions please contact us.
