Another nice feature that comes with the e-commerce application is the ability to create product variants. This is a particularly important feature for the business case we have been using throughout the book. Product variants allow you to offer different options for the same product. For example, a t-shirt and most apparel products will often come in various sizes and colors. A computer company may offer a product with different memory options.
In Odoo 10, product variants are not turned on by default when you install the e-commerce application. To turn on the product variants click on Settings in the Configuration section under the Sales menu:
Under Product Variants change the selection to Products can have several attributes defining variants (Example: size, color,....). (If you turn this option off again after creating some product variants, those variants you've created will still display throughout the system. You will not be able to edit them, add or delete...