diff --git a/app/code/Magento/Catalog/i18n/en_US.csv b/app/code/Magento/Catalog/i18n/en_US.csv
index 8c412dace45354da7b6056d396c7168156f2d446..2ad2194b36466b0112afc78880ff91249a7ca6af 100644
--- a/app/code/Magento/Catalog/i18n/en_US.csv
+++ b/app/code/Magento/Catalog/i18n/en_US.csv
@@ -701,6 +701,7 @@ Image,Image
 "Allowed file types: jpeg, gif, png.","Allowed file types: jpeg, gif, png."
 "Image Opacity","Image Opacity"
 "Example format: 200x300.","Example format: 200x300."
+"This value does not follow the specified format (for example, 200X300).","This value does not follow the specified format (for example, 200X300)."
 "Image Position","Image Position"
 Small,Small
 "Attribute Label","Attribute Label"
diff --git a/app/code/Magento/Catalog/view/adminhtml/ui_component/design_config_form.xml b/app/code/Magento/Catalog/view/adminhtml/ui_component/design_config_form.xml
index dc8ced173bc544b9b1aa24324b1294479374805d..9852ad74121c8c30f852600783a4fb91ab84ce61 100644
--- a/app/code/Magento/Catalog/view/adminhtml/ui_component/design_config_form.xml
+++ b/app/code/Magento/Catalog/view/adminhtml/ui_component/design_config_form.xml
@@ -55,12 +55,13 @@
                 <field name="watermark_image_size">
                     <argument name="data" xsi:type="array">
                         <item name="config" xsi:type="array">
+                            <item name="component" xsi:type="string">Magento_Catalog/component/image-size-field</item>
                             <item name="label" xsi:type="string" translate="true">Image Size</item>
                             <item name="dataType" xsi:type="string">text</item>
                             <item name="formElement" xsi:type="string">input</item>
                             <item name="dataScope" xsi:type="string">watermark_image_size</item>
                             <item name="validation" xsi:type="array">
-                                <item name="validate-digits" xsi:type="boolean">true</item>
+                                <item name="validate-image-size-range" xsi:type="boolean">true</item>
                             </item>
                             <item name="notice" xsi:type="string" translate="true">Example format: 200x300.</item>
                         </item>
@@ -118,12 +119,13 @@
                 <field name="watermark_thumbnail_size">
                     <argument name="data" xsi:type="array">
                         <item name="config" xsi:type="array">
+                            <item name="component" xsi:type="string">Magento_Catalog/component/image-size-field</item>
                             <item name="label" xsi:type="string" translate="true">Image Size</item>
                             <item name="dataType" xsi:type="string">text</item>
                             <item name="formElement" xsi:type="string">input</item>
                             <item name="dataScope" xsi:type="string">watermark_thumbnail_size</item>
                             <item name="validation" xsi:type="array">
-                                <item name="validate-digits" xsi:type="boolean">true</item>
+                                <item name="validate-image-size-range" xsi:type="boolean">true</item>
                             </item>
                             <item name="notice" xsi:type="string" translate="true">Example format: 200x300.</item>
                         </item>
@@ -181,12 +183,13 @@
                 <field name="watermark_small_image_size">
                     <argument name="data" xsi:type="array">
                         <item name="config" xsi:type="array">
+                            <item name="component" xsi:type="string">Magento_Catalog/component/image-size-field</item>
                             <item name="label" xsi:type="string" translate="true">Image Size</item>
                             <item name="dataType" xsi:type="string">text</item>
                             <item name="formElement" xsi:type="string">input</item>
                             <item name="dataScope" xsi:type="string">watermark_small_image_size</item>
                             <item name="validation" xsi:type="array">
-                                <item name="validate-digits" xsi:type="boolean">true</item>
+                                <item name="validate-image-size-range" xsi:type="boolean">true</item>
                             </item>
                             <item name="notice" xsi:type="string" translate="true">Example format: 200x300.</item>
                         </item>
diff --git a/app/code/Magento/Catalog/view/adminhtml/web/component/image-size-field.js b/app/code/Magento/Catalog/view/adminhtml/web/component/image-size-field.js
new file mode 100644
index 0000000000000000000000000000000000000000..b330ccfd8c12531d4945fad1ea255bdee23a6404
--- /dev/null
+++ b/app/code/Magento/Catalog/view/adminhtml/web/component/image-size-field.js
@@ -0,0 +1,42 @@
+/**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'Magento_Ui/js/lib/validation/utils',
+    'Magento_Ui/js/form/element/abstract',
+    'Magento_Ui/js/lib/validation/validator'
+], function ($, utils, Abstract, validator) {
+    'use strict';
+
+    validator.addRule(
+        'validate-image-size-range',
+        function (value) {
+            var dataAttrRange = /^(\d+)x(\d+)$/,
+                m;
+
+            if (utils.isEmptyNoTrim(value)) {
+                return true;
+            }
+
+            m = dataAttrRange.exec(value);
+
+            return !!(m &&  m[1] > 0 && m[2] > 0);
+        },
+        $.mage.__('This value does not follow the specified format (for example, 200X300).')
+    );
+
+    return Abstract.extend({
+
+        /**
+         * Checks for relevant value
+         *
+         * @returns {Boolean}
+         */
+        isRangeCorrect: function () {
+            return validator('validate-image-size-range', this.value()).passed;
+        }
+    });
+});
diff --git a/app/code/Magento/Swatches/view/adminhtml/ui_component/design_config_form.xml b/app/code/Magento/Swatches/view/adminhtml/ui_component/design_config_form.xml
index 1b5ec69e5d5c246ee0acc735bce6990a07dbe1a8..0891fb351837697abcfe0f45f759d2006d35121e 100644
--- a/app/code/Magento/Swatches/view/adminhtml/ui_component/design_config_form.xml
+++ b/app/code/Magento/Swatches/view/adminhtml/ui_component/design_config_form.xml
@@ -48,12 +48,13 @@
                 <field name="watermark_swatch_image_size">
                     <argument name="data" xsi:type="array">
                         <item name="config" xsi:type="array">
+                            <item name="component" xsi:type="string">Magento_Catalog/component/image-size-field</item>
                             <item name="label" xsi:type="string" translate="true">Image Size</item>
                             <item name="dataType" xsi:type="string">text</item>
                             <item name="formElement" xsi:type="string">input</item>
                             <item name="dataScope" xsi:type="string">watermark_swatch_image_size</item>
                             <item name="validation" xsi:type="array">
-                                <item name="validate-digits" xsi:type="boolean">true</item>
+                                <item name="validate-image-size-range" xsi:type="boolean">true</item>
                             </item>
                             <item name="notice" xsi:type="string" translate="true">Example format: 200x300.</item>
                         </item>