How Can Customers Select Multiple Items on a Product Page in Shopify?

Last updated: November 02, 2026. Disclosure: Webiots develops Ultimate Product Options, the app used in the setup steps. Quick answer: You can let shoppers choose multiple products or add-on accessories from a single product page by using custom option fields with independent checkboxes and multi-select buttons. This bypasses Shopify’s single-variant restriction, updates the live subtotal […]