type: object properties: sku: description: The unique SKU of the associated Product Variant. type: string ean: description: The EAN number of the item. type: string upc: description: The UPC number of the item. type: string barcode: description: A generic GTIN field for the Product Variant. type: string hs_code: description: >- The Harmonized System code of the Inventory Item. May be used by Fulfillment Providers to pass customs information to shipping carriers. type: string inventory_quantity: description: The amount of stock kept of the associated Product Variant. type: integer default: 0 allow_backorder: description: Whether the associated Product Variant can be purchased when out of stock. type: boolean manage_inventory: description: >- Whether Medusa should keep track of the inventory for the associated Product Variant. type: boolean default: true weight: description: >- The weight of the Inventory Item. May be used in shipping rate calculations. type: number length: description: >- The length of the Inventory Item. May be used in shipping rate calculations. type: number height: description: >- The height of the Inventory Item. May be used in shipping rate calculations. type: number width: description: >- The width of the Inventory Item. May be used in shipping rate calculations. type: number origin_country: description: >- The country in which the Inventory Item was produced. May be used by Fulfillment Providers to pass customs information to shipping carriers. type: string mid_code: description: >- The Manufacturers Identification code that identifies the manufacturer of the Inventory Item. May be used by Fulfillment Providers to pass customs information to shipping carriers. type: string material: description: >- The material and composition that the Inventory Item is made of, May be used by Fulfillment Providers to pass customs information to shipping carriers. type: string metadata: description: An optional set of key-value pairs with additional information. type: object externalDocs: description: Learn about the metadata attribute, and how to delete and update it. url: >- https://docs.medusajs.com/development/entities/overview#metadata-attribute