diff --git a/CHANGELOG.md b/CHANGELOG.md
index e013489..8684758 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Common and useful classes, methods, exceptions etc.
 character class at offset 4" bug
 2. Collection/storage of templates
 3. Template with placeholders that may be filled by real data
+4. RenderableInterface > something that may be rendered
 
 # 1.0.0
 
diff --git a/src/Renderable/RenderableInterface.php b/src/Renderable/RenderableInterface.php
new file mode 100644
index 0000000..de10afa
--- /dev/null
+++ b/src/Renderable/RenderableInterface.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * (c) Meritoo.pl, http://www.meritoo.pl
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Meritoo\Common\Renderable;
+
+use Meritoo\Common\Collection\Templates;
+
+/**
+ * Something that may be rendered
+ *
+ * @author    Meritoo <github@meritoo.pl>
+ * @copyright Meritoo <http://www.meritoo.pl>
+ */
+interface RenderableInterface
+{
+    /**
+     * Renders this object using given templates
+     *
+     * @param Templates $templates Collection/storage of templates that will be required while rendering this and
+     *                             related objects, e.g. children of this object
+     * @return string
+     */
+    public function render(Templates $templates): string;
+}