Declare and configure a new custom post type (Product) in WordPress. Full article at: http://imelgrat.me/wordpress/bulk-upload-custom-posts-wordpress/

products-post-type.php

<?php
// Only declare the function if it doesn't exist (prevents PHP fatal error)
	if (!function_exists('product_post_type'))
	{
		function product_post_type() // Function to register new custom post type
		{
		  // Labels used inside the WordPress CMS
			$labels = array(
				'name' => _x('Products', 'Post Type General Name', 'text_domain'),
				'singular_name' => _x('Product', 'Post Type Singular Name', 'text_domain'),
				'menu_name' => __('Products', 'text_domain'),
				'name_admin_bar' => __('Products', 'text_domain'),
				'archives' => __('Products Catalog', 'text_domain'),
				'parent_item_colon' => __('Parent Product:', 'text_domain'),
				'all_items' => __('All Products', 'text_domain'),
				'add_new_item' => __('Add New Product', 'text_domain'),
				'add_new' => __('Add New', 'text_domain'),
				'new_item' => __('New Product', 'text_domain'),
				'edit_item' => __('Edit Product', 'text_domain'),
				'update_item' => __('Update Product', 'text_domain'),
				'view_item' => __('View Product', 'text_domain'),
				'search_items' => __('Search Products', 'text_domain'),
				'not_found' => __('Not found', 'text_domain'),
				'not_found_in_trash' => __('Not found in Trash', 'text_domain'),
				'featured_image' => __('Featured Image', 'text_domain'),
				'set_featured_image' => __('Set featured image', 'text_domain'),
				'remove_featured_image' => __('Remove featured image', 'text_domain'),
				'use_featured_image' => __('Use as featured image', 'text_domain'),
				'insert_into_item' => __('Insert into product', 'text_domain'),
				'uploaded_to_this_item' => __('Uploaded to this product', 'text_domain'),
				'items_list' => __('Products list', 'text_domain'),
				'items_list_navigation' => __('Products list navigation', 'text_domain'),
				'filter_items_list' => __('Filter products list', 'text_domain'),
				);
				
      // Custom type configuration
			$args = array(
				'label' => __('Product', 'text_domain'),
				'description' => __('Aquation Products', 'text_domain'),
				'labels' => $labels,
				'supports' => array(
					'title',
					'editor',
					'excerpt',
					'author',
					'thumbnail',
					'comments',
					'trackbacks',
					'revisions'),
				'taxonomies' => array(
				  'category', 
				  'post_tag'),
				'hierarchical' => false,
				'public' => true,
				'show_ui' => true,
				'show_in_menu' => true,
				'menu_position' => 5,
				'menu_icon' => 'dashicons-cart',
				'show_in_admin_bar' => true,
				'show_in_nav_menus' => true,
				'can_export' => true,
				'has_archive' => 'products',
				'exclude_from_search' => false,
				'publicly_queryable' => true,
				'capability_type' => 'page',
				);

			register_post_type('product', $args);
		}
		add_action('init', 'product_post_type', 0);
}
?>