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# How to let customers add multiple upsell products with a single Add to Cart? Mix & Match

### Overview

The **Mix & Match** feature lets you display multiple upsell products and allows customers to choose the products they want before adding them to their cart. 
With a single Add to Cart click, all selected products are added at once, creating a faster, more convenient shopping experience while increasing upsell opportunities.



###### Step-by-Step Guide

1. Log in to **Shopify Admin**


2. Open the UpsellPlus App
* Go to **Apps** in the lefthand menu
* Click **UpsellPlus** from the list of installed apps

3. Create or Edit an Upsell Offer


4. Head to the **Behavior** section.
* Select **Mix & Match** 

![](https://storage.crisp.chat/users/helpdesk/website/-/a/b/f/a/abfa0cd47f75e80/screenshot-2026-07-20t13382244_19i7n15.png)

5. Configure the **Mix & Match** settings.

* Default selection
**All products checked**: Every product is selected by default when the offer is displayed. 
**No products checked**: Customers choose which products they want to add before clicking the Add to Cart button.

![](https://storage.crisp.chat/users/helpdesk/website/-/a/b/f/a/abfa0cd47f75e80/image_1m5wb1c.png)
* **Show running total:** Enable this option to display the combined price of all selected products as customers make their selections.
* **Maximum selections**: Set the maximum number of products customers can select. Leave it set to **No limit** if you don’t want to limit the number of selections.


6. Click **Save.**