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Understanding Parent-Child ASINs and Variations on Amazon

The terms “parent-child relationships” and “product variations” are regularly used in e-commerce, but do you know the true implications these products have? Find out here. By Catie Grasso September 30, 2019
Understanding Parent-Child ASINs and Variations on Amazon

What Are Variation Relationships?

Amazon product variations — which are also commonly referred to as parent-child relationships in the e-commerce industry — are sets of products that are related to each other. These products can have a difficult barrier to entry on Amazon if you are not familiar with Amazon’s specific policies for them, which we will aim to debunk in this article.  

A successful variation relationship listing will allow shoppers to compare and choose products based on different product attributes, such as color, size, or other traits, from the available options, all on one single product listing. 

For example, a customer might be looking for a long sleeve t-shirt and click on a product listing that offers four sizes — small, medium, large, and extra large — and four colors — red, white, blue, and black. This exact example is known as a double variation, as the products vary in two configurations. Single variations vary in one configuration only, such as a scarf that comes in multiple colors.

Instead of needing to isolate color and size by looking at every single option together in one view, the customer has the ability to isolate and filter down to their size of choice, and then choose the color from the available options, which would be four in this example. You will often see variation families among apparel items that come in different sizes and colors.

According to Amazon, if your products are fundamentally the same, only vary in a few very minute ways, could share a single title, and would likely be sought out by shoppers on a single product page, these may make sense to pursue and list as product variations on the marketplace.

What Constitutes a Variation Relationship?

According to Amazon, there are three key elements to any legitimate parent-child relationship, which are outlined below.

1. The parent product listing is a “non-buyable entity” used to relate child products. This is the product that is displayed in the search results. Amazon’s catalog uses the parent listing to establish relationships among the child products. For example, if two pairs of shorts have the same parent, then they are related and considered child products.

2. The child products are the ones related to each parent listing. You are able to have many child products that all relate back to one parent product. Each child ASIN varies in some way, shape, or form, such as by size or color.

3. The variation theme is what defines the relationship between the parent and the child, alluding to how the products are different from one another. Depending on the product category, variation themes also vary. For example, in the Pet Supplies category, child products can differ in flavor, scent, or quantity, while in the Clothing, Shoes, & Jewelry category they can vary by size, color, or package count. The example below shows a variation relationship listing for the apparel, electronics and computers, and cell phones and accessories categories.

Parent child ASINs and variations on Amazon

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About the Author

Catie Grasso is a content manager at Feedvisor where she oversees and executes on the company's content strategy. She enjoys running, trying new restaurants, and traveling.

Parent-Child Relationship Best Practices

Amazon will remove product listings that do not properly use the established variation themes mentioned above, so it is important that you familiarize yourself with these best practices in order to remain compliant and increase your chances of success with these product types. 

  • Do not list different products together. For example, a laptop bag with handles and a laptop bag without handles are two different product styles and should be listed on separate detail pages. Additionally, crayons and construction paper, while related, are not the same product and should not be listed together. However, they can be listed in a product bundle if you are interested in experimenting with the cross-selling and upselling opportunity that bundling can provide.
  • Only use variation themes for their defined purpose. For instance, a color variation theme can not include other data besides color. If you are selling different phone models, for example, do not list these within a color variation theme. If you do not see a variation field, then that specific product category does not allow variations.
  • Describe each child product in detail, so they will be included in browse and search results and on product detail pages.
  • Add the appropriate variation theme to the child ASIN product title to help inform the purchase experience. Amazon will suppress child product offerings if variation attribute data, such as size or color, is missing.
  • Do not create variation families or add children to variation families that are not the same brand or product type.
  • Do not add or create an item package quantity variation, which can also be known as a multipack, that was not created by the manufacturer.
  • Do not include price and quantity values for the parent product.
  • Be careful when deleting inventory. When you delete a parent ASIN, you remove the relationship between that parent and all of its children. When you delete a child item, you only eliminate the relationship between that child and its parent. 

Is Your Variation Viable?

Before you jump into the listing process for your parent-child ASINs, you will want to determine if your products fulfill the requirements to be listed as such. Visit Amazon’s “Determine variations for your products” page for more detailed information.

After you find out whether your products are eligible, leverage Amazon’s “Add a Product” feature to check if the product variation already exists in the Amazon catalog. Search with a product identifier such as a UPC, EAN, JAN, or ISBN. You can either match to an existing variation listing or create a new variation listing if you are unable to locate the existing variation listing.

Final Thoughts

Currently, Amazon will display up to 15,000 child ASINs on one product detail page, representing a significant number of variations you need to track and monitor. Amazon’s rules and regulations for its product categories can differ wildly, so be sure to familiarize yourself with the product-specific processes when deciding on the optimal product category for your product variations. 

Given that parent-child relationships were designed to help eliminate customer confusion when looking for different versions of a product, it is critical that you adhere to Amazon best practices in order to provide a seamless customer experience and avoid any listing penalization.

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