Insert product weight into product page
In custom liquid, insert the following:

Weight: {% for variant in product.variants %}{{variant.weight | weight_with_unit }}{% endfor %}
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Enlarge swatch size in product page
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Go to base.css Find "narrow" Replace with "wide" e.g: .page-width--wide { max-width: 72.6rem; padding: 0; }
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Add this code before </body> tag in your theme.liquid file: {% if page.handle == 'x' %} <style> .header, footer {display: none;} </style> {% endif %}