The first one is CHINA POST Normal Mail, (tracker number only tracking in china), that means the tracking No. we gave you is not valid, you can \ 't get the tracking information from the website. But in this way, it can save you the money.
If you select China Post Air Mail, then, it is registered mail, you can get the tracking information of your goods. However, you should pay the additional fee cause the Post Angency will charge us more for the tracking information.
The shipping time to many country normal is 15 - 45 working days (Russia and Brazil 30- 60 working days)

If you need follow the tracking information, and have a little worry about the tracking information, so you \ 'd better choose Air Mail

Package:

Soft Glass Nano Explosion proof

1 X Dust removing paper.