### Select a product to add quantity rules and volume pricing
To configure quantity rules and volume pricing, click **+ Add** next to the product or product variant that you want to edit.
* To apply quantity rules to **all variants** of a product, hover over the product and click **+ Add**.
* To apply quantity rules to a **specific variant**, click the variants link below the product name, then hover over the variant and click **+ Add**.
 
You can set quantity rules and volume pricing in the **Catalogs** section of your Shopify admin, or by [importing a CSV](https://help.shopify.com/en/manual/b2b/catalogs/creating-catalogs#export-and-import-catalogs).