Build any bundle in minutes from one powerful bundle builder, no code required. Let customers build their own bundle (BYOB) or a build-a-box. Sell fixed-price product bundles, mix-and-match bundles and quantity breaks with tiered discounts. Incentivize repeat orders with subscription bundles, and improve conversion with free gifts and add-ons on your bundles. Launch fast with one-click setup templates, and keep every bundle on-brand and auto-sync inventory and 3PLs as you scale.

Go beyond the basics with the Klaviyo marketing app. Klaviyo syncs Shopify data in milliseconds so every message and insight reflects what’s happening in your store right now. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and marketing automation tools that turn browsers into buyers.