Bundles is now available to all Pro & Enterprise merchants in Shopify. With Bundles you can:

• Combine multiple SKUs into one product, saving customers time and effort through the value of your curation expertise.
• Offer pre-set or customizable bundles, with options to strategically discount pricing. 
• Allow your customers to adjust the items in a bundle after checkout via the customer portal, empowering them with ultimate order flexibility. 

How does it work? Learn more here.