1. This is the tracking of both your parcels:
Number: LK099972993CN
Package Status: In Transit

Destination Country: United States
2016-12-06 22:21 CHINA, HANGZHOU EMS, Processed Through Facility, Your item has been processed through a facility in HANGZHOU EMS, CHINA at 10:21 pm on December 6, 2016.
2016-12-06 16:15 Origin Post is Preparing Shipment
2016-12-06 16:15 CHINA, Acceptance

Origin Country: China
2016-12-06 23:02 Hangzhou City, leave Hangzhou City to Chicago (go)
2016-12-06 16:15 Jinhua Wuyi Dong express pickup (embrace cast member name: open window, Tel:)
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Number: LK102802458CN
Package Status: In Transit

Destination Country: United States
2016-12-08 21:45 Origin Post is Preparing Shipment, We have received notice that the originating post is preparing to dispatch this mail piece.
2016-12-08 21:45 CHINA, HANGZHOU EMS, Processed Through Facility
2016-12-08 16:29 CHINA, Acceptance

Origin Country: China
2016-12-09 08:27 Hangzhou City, leave Hangzhou City to Chicago (go)
2016-12-08 16:29 Jinhua Wuyi Dong express pickup (embrace cast member name: open window, Tel:)
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2. The above tracking reflect what China Post EMS site have. I'm sure your parcels where delayed because of the Holiday Season and also because of the Smog in China that prevented Aircraft to depart.

3. You might want to advise your seller that you have not receive your parcel. Worst case scenario open a dispute.

Thanks.