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Guide
Create a variant group in Seller Center
Last updated on Jul 2, 2025
Reading time: 6 min
Overview

As a Marketplace seller, you can create variant groups in Seller Center or using Walmart APIs. In this guide, you’ll learn how to create a variant group for a group of up to 49 existing items using the Catalog page.

Notes

Too many variations can be confusing for customers. We recommend no more than 50 items for a variant group with a single attribute (a T-shirt in two colors and three sizes) and no more than 500 items for a variant group with multiple attributes (a pair of pants in 25 sizes and 20 colors). 

Add items to variant group

Step 1 — Get started 

Navigate to the Catalog  page in Seller Center. Next, search for your items by SKU or Item Name using the search bar. Select the check box next to each item you want included in your variant group. Select the More actions dropdown menu, then select Create variant group. Select Create variant group again when the popup window appears. 


Notes

If you try to include more than 49 items in your group using the Catalog page, you'll get an error message. 


Step 2 — Add the group details 

On the next screen, enter the details in each box accordingly:  

  • Choose a variant group ID: The variant group ID is a unique alphanumeric identifier you'll choose for this group, up to 20 characters long (for example, DryFit_VG5). You’ll use it to track your variant group in the Catalog dashboard once it’s been created.  

  • Assign a category: The Category dropdown menu lists the category where your items belong. In some cases, multiple categories might appear here—for example, a group of shirts may include items from both Clothing and Sports & Recreation Other. The category you choose won’t change your listing details, only how the group is displayed on Walmart.com. The category will also determine which variant attribute names you can add. 

  • Select variant attribute names: Select up to three variant attribute names for the group. These indicate which attributes vary within the group, such as size or color. For example, if an item comes in small, medium and large, the variant attribute name would be size.  

Notes

You can’t create multiple variants with identical details. Variant attributes that have the same details, such as size and color, on multiple items will be flagged as an error. Review your items for accuracy and make necessary changes to item details and variants before submitting. 


Step 3 — Select a primary variant 

Once all group items are confirmed and variant attribute names are verified, select one primary variant. Primary variants provide suggestions on what item should be highlighted in search for the variant group. The primary variant highlighted for the group and the in search may vary as Walmart determines what item is displayed to the customer. Select the star icon in the Actions column to make your selection.


Step 4 — Remove items if needed (optional) 

If there’s an item you don’t want to include in the group, select X in the Actions column to remove it. 

Notes

There’s no undo function when you remove an item using the Actions column. Make sure you remove the correct item, or you’ll have to start the process from the beginning. 


Step 5 – Confirm details and submit 

When all fields are complete, select Submit.

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