Use liquid object checkouts
for e.g. to read Type of Products write. line_item.product.type
{% for line_item in checkout.line_items %}
<div class="lineItem">
<span class="name">{{ line_item.product.title }}</span>
<span class="sku">{{ line_item.sku }}</span>
<span class="quantity">{{ line_item.quantity }}</span>
<span class="unitPrice">{{ line_item.price | money_without_currency | remove: ',' }}</span>
<span class="salePrice">{{ line_item.price | money_without_currency | remove: ',' }}</span>
<span class="totalPrice">{{ line_item.price | times: line_item.quantity | money_without_currency | remove: ',' }}</span>
<span class="imageUrl">{{ line_item.image | image_url }}</span>
</div>
{% endfor %}
Checkout Liquid – Click Here
Checkout Object – Click Here