    <label for="input_group_sm">#input_group_sm:</label>
    <input id="input_group_sm" type="text" class="form-control form-control-sm" value="50">

    <script>
      $("#input_group_sm").TouchSpin({
        prefix: "$",
        postfix: "/qty"
      });
    </script>
  </div>

  <div class="wrapper">
    <label for="input_group_lg">#input_group_lg:</label>
    <input id="input_group_lg" type="text" class="form-control form-control-lg" value="50">

    <script>
      $("#input_group_lg").TouchSpin({
     