Step 1: In your Shopify admin, navigate to Online Store > Themes and click Actions > Customize
Step 1: In your Shopify admin, navigate to Online Store > Themes and click Actions > Customize
Step 2: Then Click on Home Page Dropdown, then click on Products
Step 3: Then click on Default Product and Enter into Product Details Page
Step 4: Click on Add Block and Find the RI-Size Chart Under Apps Section
Step 5: Locate the section where you want the size chart to appear.
Step 6: Then your Size Chart will be appear as per given reference
Note: Make sure you've already created and configured your size chart in the Ri - Size Chart app settings before adding it to the product detail page.