diff --git a/maud/src/lib.rs b/maud/src/lib.rs
index 7647379c..81128702 100644
--- a/maud/src/lib.rs
+++ b/maud/src/lib.rs
@@ -156,6 +156,18 @@ impl<T: Render + ?Sized> Render for Arc<T> {
     }
 }
 
+impl<T: Render + ?Sized> Render for Option<T> {
+    fn render_to(&self, w: &mut String) { if let Some(inner) = self { T::render_to(inner, w); } }
+}
+
+impl <T: Render + ?Sized, I: ExactSizeIterator + ?Sized> Render for I where I::Item: AsRef<T> {
+    fn render_to(&self, w: &mut String) {
+        for item in self {
+            item.as_ref().render_to(w);
+        }
+    }
+}
+
 macro_rules! impl_render_with_display {
     ($($ty:ty)*) => {
         $(