zget all products that in taxonomy product_tag id 8 or id 9

function get_product_tags_for_list($list){
  $args = array(
    'post_type' => 'product',
    'tax_query' => array(
      array(
        'taxonomy' => 'product_tag',
        'field' => 'term_id',
        'terms' => $list,
      ),
    ),
  );
  $query = new WP_Query( $args );
  return $query;
}

get_product_tags_for_list(array(8, 9))