pack slips meaning refers to the documents included in shipments that list the contents of a package. Also known as packing slips or packing lists, these documents typically include details such as item names, quantities, SKU numbers, and sometimes the weight or dimensions. They help both the sender and receiver verify that the correct items are being shipped and received. Pack slips are especially important in e-commerce, fulfillment centers, and logistics operations to ensure accuracy and accountability during order fulfillment.