diff --git a/src/ui/widgets.rs b/src/ui/widgets.rs
index c9c1288..75fc727 100644
--- a/src/ui/widgets.rs
+++ b/src/ui/widgets.rs
@@ -14,3 +14,11 @@ pub trait Widget {
 
     async fn render(self: Box<Self>, frame: &mut Frame);
 }
+
+pub type BoxedWidget = Box<dyn Widget + Send>;
+
+impl<W: 'static + Widget + Send> From<W> for BoxedWidget {
+    fn from(widget: W) -> Self {
+        Box::new(widget)
+    }
+}
diff --git a/src/ui/widgets/background.rs b/src/ui/widgets/background.rs
index dad8fd6..bcc03f4 100644
--- a/src/ui/widgets/background.rs
+++ b/src/ui/widgets/background.rs
@@ -2,17 +2,17 @@ use async_trait::async_trait;
 use crossterm::style::ContentStyle;
 use toss::frame::{Frame, Pos, Size};
 
-use super::Widget;
+use super::{BoxedWidget, Widget};
 
 pub struct Background {
-    inner: Box<dyn Widget + Send>,
+    inner: BoxedWidget,
     style: ContentStyle,
 }
 
 impl Background {
-    pub fn new<W: 'static + Widget + Send>(inner: W, style: ContentStyle) -> Self {
+    pub fn new<W: Into<BoxedWidget>>(inner: W, style: ContentStyle) -> Self {
         Self {
-            inner: Box::new(inner),
+            inner: inner.into(),
             style,
         }
     }
diff --git a/src/ui/widgets/join.rs b/src/ui/widgets/join.rs
index 4b13260..9b6c05c 100644
--- a/src/ui/widgets/join.rs
+++ b/src/ui/widgets/join.rs
@@ -1,17 +1,17 @@
 use async_trait::async_trait;
 use toss::frame::{Frame, Pos, Size};
 
-use super::Widget;
+use super::{BoxedWidget, Widget};
 
 pub struct Segment {
-    widget: Box<dyn Widget + Send>,
+    widget: BoxedWidget,
     expanding: bool,
 }
 
 impl Segment {
-    pub fn new<W: 'static + Widget + Send>(widget: W) -> Self {
+    pub fn new<W: Into<BoxedWidget>>(widget: W) -> Self {
         Self {
-            widget: Box::new(widget),
+            widget: widget.into(),
             expanding: false,
         }
     }
diff --git a/src/ui/widgets/list.rs b/src/ui/widgets/list.rs
index 71c9f78..5b67a13 100644
--- a/src/ui/widgets/list.rs
+++ b/src/ui/widgets/list.rs
@@ -4,7 +4,7 @@ use async_trait::async_trait;
 use parking_lot::Mutex;
 use toss::frame::{Frame, Pos, Size};
 
-use super::Widget;
+use super::{BoxedWidget, Widget};
 
 ///////////
 // State //
@@ -199,12 +199,12 @@ impl<Id: Clone> ListState<Id> {
 
 enum Row<Id> {
     Unselectable {
-        normal: Box<dyn Widget + Send>,
+        normal: BoxedWidget,
     },
     Selectable {
         id: Id,
-        normal: Box<dyn Widget + Send>,
-        selected: Box<dyn Widget + Send>,
+        normal: BoxedWidget,
+        selected: BoxedWidget,
     },
 }
 
@@ -257,21 +257,21 @@ impl<Id> List<Id> {
         self.rows.is_empty()
     }
 
-    pub fn add_unsel<W: 'static + Widget + Send>(&mut self, normal: W) {
+    pub fn add_unsel<W: Into<BoxedWidget>>(&mut self, normal: W) {
         self.rows.push(Row::Unselectable {
-            normal: Box::new(normal),
+            normal: normal.into(),
         });
     }
 
     pub fn add_sel<W1, W2>(&mut self, id: Id, normal: W1, selected: W2)
     where
-        W1: 'static + Widget + Send,
-        W2: 'static + Widget + Send,
+        W1: Into<BoxedWidget>,
+        W2: Into<BoxedWidget>,
     {
         self.rows.push(Row::Selectable {
             id,
-            normal: Box::new(normal),
-            selected: Box::new(selected),
+            normal: normal.into(),
+            selected: selected.into(),
         });
     }
 }