흐음..전 한개만 떠있는데
원글님은 각각 다른곳에서 제작되있어서 그런가..
그리고 아래는 구글에서 검색한 pre-shipment입니다
When tracking shows “Pre-Shipment Info Sent to USPS” it can mean: – The package could still be in the seller’s possession. … Also, recently, I had a package stay at ‘Pre-Shipment Info Sent to USPS’ for 3 days and then show up as scanned at the buyer’s local post office sorting center. You just have to wait and see.