Custom Fields help merchants create flexible product options and personalized shopping experiences directly on the store owner's product pages. Add custom fields like text boxes, dropdowns, radio buttons, checkboxes, color swatches, image swatches, file uploads, and more to collect exactly what customers need to personalize their orders. merchants sell personalized jewelry, print-on-demand products, B2B items, rentals, or gifts. and its styling is the ability to build powerful experiences.