# Bundles

Bundles describe a set of specific products that are being sold. A unique code identifies each bundle. The bundle name, description, and image URL are best suited for internal usage (Commerce Layer is not a CMS). Bundles are linked to manual SKU lists, inheriting the SKUs from there.

{% hint style="info" %}
A **maximum of 10 SKU list items** are permitted for each bundle. Once an SKU list is associated with a bundle, its items cannot be added, removed, or updated, unless you first destroy all of the linked bundles.
{% endhint %}

Bundles have `price_amount_cents` and `compare_at_amount_cents` attributes: the latter can be specified or computed as the sum of the SKUs, but is always guaranteed to be smaller than or equal to the former. Once a price is assigned to a bundle, the currency is inherited by the relationship with the associated active market. If that relationship is not specified, a currency must be assigned to the bundle.

{% hint style="warning" %}
When passing the `_compute_price_amount` and `_compute_compare_at_amount` trigger attributes the relationship with a specific market must be set, otherwise the API will return an error.
{% endhint %}

<details>

<summary>Data model</summary>

Check the related [ER diagram](/data-model/products/bundles.md) and explore the flowchart that illustrates how the bundle resource relates to the other API entities.

</details>


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