Non-Inventory Product Type is a product that does not have a real form / amount of stock in the inventory, such as Shipping Costs and Services. Non-Inventory product types will not add or reduce stock in your inventory. Follow this steps for creating a new product with a Non-Inventory type.
Step 1. Select "Add" on Products Menu
Step 2. Select "Non-Inventory" product on properties form then submit
Step 3. Product Type Non-Inventory Successfully Created
The product with the Non-Inventory type that you created will appear in the product list.