aper-item>
                <paper-item-body>
                  <div>[[item.name]]</div>
                </paper-item-body>
              </paper-item>
            </template>
          </vaadin-combo-box>
          <paper-input tabindex="5" label="Raw material quantity" id="edit_InventoryQuantity" type="number" allowed-pattern="^(0|[1-9]\d*)(\.\d+)?$"
            value="{{editProductData.inventory_use}}" required always-float-label></paper-input>
          <paper-button on-click="openBrowseImageFile" class=