You can use the SizeChart app for setting size chart for different products. You can use the app to make your product page more informational by uploading size charts. You can upload separate size charts for specific products.
When you have installed the SizeChart app, follow the below steps to use the app in your store:
Go to Products section in StoreHippo Admin Panel.
A new entity named Size Charts will be visible under the Products section.
Go to Products > Size Charts section.
Click on Add New button.
Provide the Name and upload an image or file in here.
Add/edit a product, a
Select the file as per your requirement and save.
Go to storefront, check that product you will see the SizeChart file is visible now.