POS-Server/app/views/products/print_labels.pdf.erb

<div class='pdf-body'>
    <% @products.each do |obj| %>
        <% (1..obj['print']).each do |i| %>
            <span><%= obj['product'].name %></span>
            <%= wicked_pdf_barcode_image("#{obj['product'].barcode}.png", options = { width: 45, height: 30 }) %>
            <span><%= obj['product'].display_attributes %></span>
            <span><%= obj['price'] %></span>
        <% end %>
    <% end %>
</div>