Use the Inventory Resource to retrieve ShipBob inventory items and quantities.An inventory item is a representation of a physical good that may or may not have physical stock in ShipBob’s fulfillment centers. Every product will have one or more inventory items mapped to it.A bundle product (a set of products that are sold as one combined package – e.g., gift packs or multipacks) is an example of a product that has two or more inventory items mapped to it.Lot items are physical items that have expiration dates or batch numbers and should be fulfilled in a FIFO (First In, First Out) manner. Most food items are lot items. Quantities by lot number and/or expiration date are also listed in the Inventory object.