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

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.

• 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.

Updated on: 20/07/2026