diff --git a/components/qtmaterialprogress.cpp b/components/qtmaterialprogress.cpp
index 03b15b2..d4deaaa 100644
--- a/components/qtmaterialprogress.cpp
+++ b/components/qtmaterialprogress.cpp
@@ -5,26 +5,28 @@
 #include <QPainterPath>
 #include "qtmaterialprogress_internal.h"
 #include "lib/qtmaterialstyle.h"
+namespace md
+{
 
 /*!
- *  \class QtMaterialProgressPrivate
+ *  \class ProgressBarPrivate
  *  \internal
  */
 
-QtMaterialProgressPrivate::QtMaterialProgressPrivate(QtMaterialProgress *q)
+ProgressBarPrivate::ProgressBarPrivate(ProgressBar *q)
     : q_ptr(q)
 {
 }
 
-QtMaterialProgressPrivate::~QtMaterialProgressPrivate()
+ProgressBarPrivate::~ProgressBarPrivate()
 {
 }
 
-void QtMaterialProgressPrivate::init()
+void ProgressBarPrivate::init()
 {
-    Q_Q(QtMaterialProgress);
+    Q_Q(ProgressBar);
 
-    delegate       = new QtMaterialProgressDelegate(q);
+    delegate       = new ProgressBarDelegate(q);
     progressType   = Material::IndeterminateProgress;
     useThemeColors = true;
 
@@ -46,35 +48,35 @@ void QtMaterialProgressPrivate::init()
  *  \class QtMaterialProgress
  */
 
-QtMaterialProgress::QtMaterialProgress(QWidget *parent)
+ProgressBar::ProgressBar(QWidget *parent)
     : QProgressBar(parent),
-      d_ptr(new QtMaterialProgressPrivate(this))
+      d_ptr(new ProgressBarPrivate(this))
 {
     d_func()->init();
 }
 
-QtMaterialProgress::~QtMaterialProgress()
+ProgressBar::~ProgressBar()
 {
 }
 
-void QtMaterialProgress::setProgressType(Material::ProgressType type)
+void ProgressBar::setProgressType(Material::ProgressType type)
 {
-    Q_D(QtMaterialProgress);
+    Q_D(ProgressBar);
 
     d->progressType = type;
     update();
 }
 
-Material::ProgressType QtMaterialProgress::progressType() const
+Material::ProgressType ProgressBar::progressType() const
 {
-    Q_D(const QtMaterialProgress);
+    Q_D(const ProgressBar);
 
     return d->progressType;
 }
 
-void QtMaterialProgress::setUseThemeColors(bool state)
+void ProgressBar::setUseThemeColors(bool state)
 {
-    Q_D(QtMaterialProgress);
+    Q_D(ProgressBar);
 
     if (d->useThemeColors == state) {
         return;
@@ -84,16 +86,16 @@ void QtMaterialProgress::setUseThemeColors(bool state)
     update();
 }
 
-bool QtMaterialProgress::useThemeColors() const
+bool ProgressBar::useThemeColors() const
 {
-    Q_D(const QtMaterialProgress);
+    Q_D(const ProgressBar);
 
     return d->useThemeColors;
 }
 
-void QtMaterialProgress::setProgressColor(const QColor &color)
+void ProgressBar::setProgressColor(const QColor &color)
 {
-    Q_D(QtMaterialProgress);
+    Q_D(ProgressBar);
 
     d->progressColor = color;
 
@@ -101,20 +103,20 @@ void QtMaterialProgress::setProgressColor(const QColor &color)
     update();
 }
 
-QColor QtMaterialProgress::progressColor() const
+QColor ProgressBar::progressColor() const
 {
-    Q_D(const QtMaterialProgress);
+    Q_D(const ProgressBar);
 
     if (d->useThemeColors || !d->progressColor.isValid()) {
-        return QtMaterialStyle::instance().themeColor("primary1");
+        return Style::instance().themeColor("primary1");
     } else {
         return d->progressColor;
     }
 }
 
-void QtMaterialProgress::setBackgroundColor(const QColor &color)
+void ProgressBar::setBackgroundColor(const QColor &color)
 {
-    Q_D(QtMaterialProgress);
+    Q_D(ProgressBar);
 
     d->backgroundColor = color;
 
@@ -122,12 +124,12 @@ void QtMaterialProgress::setBackgroundColor(const QColor &color)
     update();
 }
 
-QColor QtMaterialProgress::backgroundColor() const
+QColor ProgressBar::backgroundColor() const
 {
-    Q_D(const QtMaterialProgress);
+    Q_D(const ProgressBar);
 
     if (d->useThemeColors || !d->backgroundColor.isValid()) {
-        return QtMaterialStyle::instance().themeColor("border");
+        return Style::instance().themeColor("border");
     } else {
         return d->backgroundColor;
     }
@@ -136,11 +138,11 @@ QColor QtMaterialProgress::backgroundColor() const
 /*!
  *  \reimp
  */
-void QtMaterialProgress::paintEvent(QPaintEvent *event)
+void ProgressBar::paintEvent(QPaintEvent *event)
 {
     Q_UNUSED(event)
 
-    Q_D(QtMaterialProgress);
+    Q_D(ProgressBar);
 
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing);
@@ -148,7 +150,7 @@ void QtMaterialProgress::paintEvent(QPaintEvent *event)
     QBrush brush;
     brush.setStyle(Qt::SolidPattern);
     brush.setColor(isEnabled() ? backgroundColor()
-                               : QtMaterialStyle::instance().themeColor("disabled"));
+                               : Style::instance().themeColor("disabled"));
     painter.setBrush(brush);
     painter.setPen(Qt::NoPen);
 
@@ -171,3 +173,4 @@ void QtMaterialProgress::paintEvent(QPaintEvent *event)
         }
     }
 }
+}
diff --git a/components/qtmaterialprogress_internal.cpp b/components/qtmaterialprogress_internal.cpp
index 0544bae..d2b2361 100644
--- a/components/qtmaterialprogress_internal.cpp
+++ b/components/qtmaterialprogress_internal.cpp
@@ -5,7 +5,7 @@
  *  \internal
  */
 
-QtMaterialProgressDelegate::QtMaterialProgressDelegate(QtMaterialProgress *parent)
+ProgressBarDelegate::ProgressBarDelegate(ProgressBar *parent)
     : QObject(parent),
       m_progress(parent),
       m_offset(0)
@@ -13,6 +13,6 @@ QtMaterialProgressDelegate::QtMaterialProgressDelegate(QtMaterialProgress *paren
     Q_ASSERT(parent);
 }
 
-QtMaterialProgressDelegate::~QtMaterialProgressDelegate()
+ProgressBarDelegate::~ProgressBarDelegate()
 {
 }
diff --git a/components/qtmaterialprogress_internal.h b/components/qtmaterialprogress_internal.h
index 811e3d6..2f936ed 100644
--- a/components/qtmaterialprogress_internal.h
+++ b/components/qtmaterialprogress_internal.h
@@ -3,36 +3,38 @@
 
 #include <QObject>
 #include "qtmaterialprogress.h"
+namespace md
+{
 
-class QtMaterialProgressDelegate : public QObject
+class ProgressBarDelegate : public QObject
 {
     Q_OBJECT
 
     Q_PROPERTY(qreal offset WRITE setOffset READ offset)
 
 public:
-    QtMaterialProgressDelegate(QtMaterialProgress *parent);
-    ~QtMaterialProgressDelegate();
+    ProgressBarDelegate(ProgressBar *parent);
+    ~ProgressBarDelegate();
 
     inline void setOffset(qreal offset);
     inline qreal offset() const;
 
 private:
-    Q_DISABLE_COPY(QtMaterialProgressDelegate)
+    Q_DISABLE_COPY(ProgressBarDelegate)
 
-    QtMaterialProgress *const m_progress;
+    ProgressBar *const m_progress;
     qreal                     m_offset;
 };
 
-inline void QtMaterialProgressDelegate::setOffset(qreal offset)
+inline void ProgressBarDelegate::setOffset(qreal offset)
 {
     m_offset = offset;
     m_progress->update();
 }
 
-inline qreal QtMaterialProgressDelegate::offset() const
+inline qreal ProgressBarDelegate::offset() const
 {
     return m_offset;
 }
-
+}
 #endif // QTMATERIALPROGRESS_INTERNAL_H
diff --git a/components/qtmaterialprogress_p.h b/components/qtmaterialprogress_p.h
index b55fb02..9256f5f 100644
--- a/components/qtmaterialprogress_p.h
+++ b/components/qtmaterialprogress_p.h
@@ -4,27 +4,29 @@
 #include <QtGlobal>
 #include <QColor>
 #include "lib/qtmaterialtheme.h"
-
-class QtMaterialProgress;
-class QtMaterialProgressDelegate;
-
-class QtMaterialProgressPrivate
+namespace md
 {
-    Q_DISABLE_COPY(QtMaterialProgressPrivate)
-    Q_DECLARE_PUBLIC(QtMaterialProgress)
+
+class ProgressBar;
+class ProgressBarDelegate;
+
+class ProgressBarPrivate
+{
+    Q_DISABLE_COPY(ProgressBarPrivate)
+    Q_DECLARE_PUBLIC(ProgressBar)
 
 public:
-    QtMaterialProgressPrivate(QtMaterialProgress *q);
-    ~QtMaterialProgressPrivate();
+    ProgressBarPrivate(ProgressBar *q);
+    ~ProgressBarPrivate();
 
     void init();
 
-    QtMaterialProgress         *const q_ptr;
-    QtMaterialProgressDelegate *delegate;
+    ProgressBar         *const q_ptr;
+    ProgressBarDelegate *delegate;
     Material::ProgressType      progressType;
     QColor                      progressColor;
     QColor                      backgroundColor;
     bool                        useThemeColors;
 };
-
+}
 #endif // QTMATERIALPROGRESS_P_H