Product Metafields in Shopify: A Simple Way to Make Your Product Pages Smarter

A small business owner stands at a desk using a tablet in a bright, organized workspace filled with shipping boxes, packaging materials, and office supplies. Shelves and a computer are visible in the background, suggesting an e-commerce or creative studio environment.

Add structured, reusable details to your products without creating extra templates or hard-coding content. This guide shows you how to define, populate, and display product metafields the right way, so your product pages stay clear, consistent, and easy to maintain.

What are product metafields?

Think of metafields as small, structured “data pockets” that live inside each product. They store details that Shopify doesn’t capture out of the box. Instead of cramming everything into the description, metafields keep your data clean and reusable across templates.

  • Fabric: cotton, linen, or recycled blend
  • Candle burn time: 40 hours
  • Coffee roast level: medium–dark
  • Downloadable size guide: PDF file

Step 1: Define your metafields

In your Shopify admin, go to Settings → Metafields and metaobjects → Products and choose Add definition. Give each metafield a clear name and select the most specific content type so your data stays consistent and easy to validate.

Example definition

Name
Fabric Type
Namespace and key
custom.fabric_type
Type
Single line text or a predefined list
Validation – if using a list –
Allowed values: Cotton, Linen, Blend

Use validation wherever possible (lists, number ranges, file types). It prevents typos and keeps your storefront output consistent.

Step 2: Add data to each product

After you create definitions, Shopify adds those inputs to the product editor. You or your VA can fill them out during normal product updates. If your products differ by color, size, scent, or roast, consider variant metafields for even more precision.

Metafield values example
Fabric Type: Linen
Care Instructions: Machine wash cold, hang dry
Burn Time: 40 hours
Size Guide: /files/size-guide.pdf

Pro tip: Try using Shopify’s bulk editing tool to update metafields faster. From your Products list, select all the products you want to edit, then click Bulk edit. You can add your new metafield columns and make updates for multiple products in one view.

Step 3: Display metafields on product pages

If you’re using a Shopify theme like Dawn, you can display metafields right through the Shopify Theme Editor without any coding.

  1. Open a product in the editor.
  2. Add a Text or Rich text block where you want the information to appear.
  3. Click Insert dynamic source — the small database icon on the right side of the text box label — and select your metafield from the list.

Prefer using Liquid? You can output a metafield directly with a simple snippet:

Liquid example for a product metafield
{{ '{{ product.metafields.custom.fabric_type ' }}}}

Design tip: Pair short labels with icons (like a fabric bolt, timer, or thermometer) and keep your copy concise so details scan quickly on mobile.

Step 4: Keep it organized and SEO friendly

  • Consistency wins: use the same label and value style across products.
  • Relevance first: include details that help shoppers decide, not everything you can think of.
  • Structure helps search: clean, predictable fields are easier for search engines to parse and may support richer results.
A small business owner scans a shipping label on a cardboard box while preparing orders in a workspace filled with packaging supplies and a laptop displaying order data, representing Shopify order fulfillment and inventory management.

When you’re ready to go deeper

Metafields can connect to metaobjects for reusable content, power custom sections and comparison tables, and even fuel filters in Shopify Search & Discovery. If that sounds like the kind of upgrade your store needs, I can help you implement it cleanly and scale it across your catalog.

Book a Web Audit

Helpful resources

Questions about metafields, metaobjects, or product data strategy? Get in touch and I’ll help you plan, set up, and document a system your team can maintain.

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