diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77314485..1ad2d884 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ This release added form fields (textinput, checkbox, and dropdown), drawing shap
 - Fix specific borders (and margins) were not written correctly in word2007 writer - @pscheit GH-327
 - "HTML is not a valid writer" exception while running "Sample_36_RTL.php" - @RomanSyroeshko GH-340
 - "addShape()" magic method in AbstractContainer is mistakenly named as "addObject()" - @GMTA GH-356
+- `Element\Section::setPageSizeW()` and `Element\Section::setPageSizeH()` were mentioned in the docs but not implemented.
 
 ### Deprecated
 
diff --git a/docs/styles.rst b/docs/styles.rst
index 91d5ed7a..f4c1e8eb 100644
--- a/docs/styles.rst
+++ b/docs/styles.rst
@@ -8,6 +8,8 @@ Section
 
 Below are the available styles for section:
 
+-  ``pageSizeW`` Page width in twips (the default is 11906/A4 size)
+-  ``pageSizeH`` Page height in twips (the default is 16838/A4 size)
 -  ``orientation`` Page orientation, i.e. 'portrait' (default) or
    'landscape'
 -  ``marginTop`` Page margin top in twips
@@ -30,12 +32,6 @@ Below are the available styles for section:
 -  ``breakType`` Section break type (nextPage, nextColumn, continuous,
    evenPage, oddPage)
 
-The following two styles are automatically set by the use of the
-``orientation`` style. You can alter them but that's not recommended.
-
--  ``pageSizeW`` Page width in twips
--  ``pageSizeH`` Page height in twips
-
 Font
 ----
 
diff --git a/src/PhpWord/Style/Section.php b/src/PhpWord/Style/Section.php
index c56b0a19..e196dfbd 100644
--- a/src/PhpWord/Style/Section.php
+++ b/src/PhpWord/Style/Section.php
@@ -282,6 +282,13 @@ class Section extends Border
         return $this->pageSizeW;
     }
 
+    public function setPageSizeW($value = null)
+    {
+        $this->pageSizeW = $this->setNumericVal($value, self::DEFAULT_WIDTH);
+
+        return $this;
+    }
+
     /**
      * Get Page Size Height
      *
@@ -292,6 +299,13 @@ class Section extends Border
         return $this->pageSizeH;
     }
 
+    public function setPageSizeH($value = null)
+    {
+        $this->pageSizeH = $this->setNumericVal($value, self::DEFAULT_HEIGHT);
+
+        return $this;
+    }
+
     /**
      * Get Margin Top
      *
diff --git a/tests/PhpWord/Tests/Style/SectionTest.php b/tests/PhpWord/Tests/Style/SectionTest.php
index 8e8c1e87..e5becd72 100644
--- a/tests/PhpWord/Tests/Style/SectionTest.php
+++ b/tests/PhpWord/Tests/Style/SectionTest.php
@@ -97,6 +97,34 @@ class SettingsTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals($iVal, $oSettings->getMarginRight());
     }
 
+    /**
+     * Set/get page width
+     */
+    public function testPageWidth()
+    {
+        // Section Settings
+        $oSettings = new Section();
+
+        $this->assertEquals(Section::DEFAULT_WIDTH, $oSettings->getPageSizeW());
+        $iVal = rand(1, 1000);
+        $oSettings->setSettingValue('pageSizeW', $iVal);
+        $this->assertEquals($iVal, $oSettings->getPageSizeW());
+    }
+
+    /**
+     * Set/get page height
+     */
+    public function testPageHeight()
+    {
+        // Section Settings
+        $oSettings = new Section();
+
+        $this->assertEquals(Section::DEFAULT_HEIGHT, $oSettings->getPageSizeH());
+        $iVal = rand(1, 1000);
+        $oSettings->setSettingValue('pageSizeH', $iVal);
+        $this->assertEquals($iVal, $oSettings->getPageSizeH());
+    }
+
     /**
      * Set/get landscape orientation
      */