A Packing slip states the complete list of all items being sent in a specific order for delivery. They can also assist you during the order fulfilment process when you are packing.  
 
If your customers leave a delivery note within the checkout process, these will also be able present on the packing slip to assist couriers.  
 
1.    Packing Slips can be accessed for each order through the Orders tab:  
 
 
2.    Select an order, and click on ‘Print Packing Slip’ under MORE
 
 
3.    Here is an example of the packing slip and the information that it has.