Create an HTML Block with Smarty Content in the product template:
<div id="stamped-main-widget" class="stamped-main-widget" data-product-id="{$product.product_id}" data-name="{$product.product}" data-url="https://www.vapeking.co.za/{$product.seo_name}.html" data-image-url="{$product.seo_snippet.images[0]}" data-product-sku="{$product.product_code}"></div><br>