there are three boxes for your five cups , Your statement two boxes was not received. All boxes and cups was actually delivered
1 ,https://t.17track.net/en#nums=SF6043571381784 , delivered
2023-03-31 15:51
LANCASTER,CA,US, Your express has been delivered (Front Door/Porch)
2 , https://t.17track.net/en#nums=SF6043567535156 delivered
2023-03-28 15:37
LANCASTER,CA,US, Your express has been delivered (Parcel Locker)
3 https://t.17track.net/en#nums=SF6043567535174 delivered
2023-03-27 15:28
LANCASTER,CA,US, Your express has been delivered (Front Door/Porch)
Because 17track website only statement delivered information for first box if there are multiple boxes. no status for left boxes in one order. They admit it's their bug ,This is not sufficient reason for not receiving it.
If you insist you haven't received it, you can file claim on Paypal