diff --git a/chartlets.js/CHANGES.md b/chartlets.js/CHANGES.md
index 7e5fd11f..5e0d1532 100644
--- a/chartlets.js/CHANGES.md
+++ b/chartlets.js/CHANGES.md
@@ -38,6 +38,7 @@
   - using `return` object with `schema` property for callback return values
 
 * New (MUI) components
+  - `Divider`
   - `LinearProgress`
   - `RadioGroup` and `Radio`
   - `Switch`
diff --git a/chartlets.js/packages/lib/src/plugins/mui/Divider.test.tsx b/chartlets.js/packages/lib/src/plugins/mui/Divider.test.tsx
new file mode 100644
index 00000000..d623c025
--- /dev/null
+++ b/chartlets.js/packages/lib/src/plugins/mui/Divider.test.tsx
@@ -0,0 +1,22 @@
+import { describe, it, expect } from "vitest";
+import { render, screen } from "@testing-library/react";
+import type { ComponentChangeHandler } from "@/types/state/event";
+import { Divider } from "./Divider";
+
+describe("Divider", () => {
+  it("should render the Box component", () => {
+    const onChange: ComponentChangeHandler = () => {};
+    render(
+      <Divider
+        id="dv"
+        type={"Divider"}
+        flexItem
+        children={["Section 1"]}
+        onChange={onChange}
+      />,
+    );
+    // to inspect rendered component, do:
+    // expect(document.querySelector("#bx")).toEqual({});
+    expect(screen.getByText("Section 1")).not.toBeUndefined();
+  });
+});
diff --git a/chartlets.js/packages/lib/src/plugins/mui/Divider.tsx b/chartlets.js/packages/lib/src/plugins/mui/Divider.tsx
new file mode 100644
index 00000000..bd54cfe3
--- /dev/null
+++ b/chartlets.js/packages/lib/src/plugins/mui/Divider.tsx
@@ -0,0 +1,39 @@
+import type { ElementType } from "react";
+import MuiDivider from "@mui/material/Divider";
+
+import type { ComponentState, ComponentProps } from "@/index";
+import { Children } from "@/index";
+
+interface DividerState extends ComponentState {
+  orientation?: "horizontal" | "vertical";
+  variant?: "fullWidth" | "inset" | "middle";
+  flexItem?: boolean;
+  textAlign?: "left" | "center" | "right";
+  component?: ElementType<Element>;
+}
+
+interface DividerProps extends ComponentProps, DividerState {}
+
+export const Divider = ({
+  id,
+  style,
+  orientation,
+  variant,
+  flexItem,
+  textAlign,
+  children: nodes,
+  onChange,
+}: DividerProps) => {
+  return (
+    <MuiDivider
+      id={id}
+      style={style}
+      orientation={orientation}
+      variant={variant}
+      flexItem={flexItem}
+      textAlign={textAlign}
+    >
+      {nodes && nodes.length && <Children nodes={nodes} onChange={onChange} />}
+    </MuiDivider>
+  );
+};
diff --git a/chartlets.js/packages/lib/src/plugins/mui/index.ts b/chartlets.js/packages/lib/src/plugins/mui/index.ts
index f59a71ca..6d430bdc 100644
--- a/chartlets.js/packages/lib/src/plugins/mui/index.ts
+++ b/chartlets.js/packages/lib/src/plugins/mui/index.ts
@@ -3,6 +3,7 @@ import { Box } from "./Box";
 import { Button } from "./Button";
 import { Checkbox } from "./Checkbox";
 import { CircularProgress } from "./CircularProgress";
+import { Divider } from "./Divider";
 import { IconButton } from "./IconButton";
 import { LinearProgress } from "./LinearProgress";
 import { RadioGroup } from "./RadioGroup";
@@ -19,6 +20,7 @@ export default function mui(): Plugin {
       ["Button", Button],
       ["Checkbox", Checkbox],
       ["CircularProgress", CircularProgress],
+      ["Divider", Divider],
       ["IconButton", IconButton],
       ["LinearProgress", LinearProgress],
       ["RadioGroup", RadioGroup],
diff --git a/chartlets.py/CHANGES.md b/chartlets.py/CHANGES.md
index 6dd0fc46..5bccfbfa 100644
--- a/chartlets.py/CHANGES.md
+++ b/chartlets.py/CHANGES.md
@@ -19,11 +19,12 @@
 * Added `tooltip` property to interactive components.
 
 * New components
-  - `Switch`
+  - `Divider`
   - `RadioGroup` and `Radio`
-  - `Tabs`
+  - `Switch`
   - `Slider`
-
+  - `Tabs` and `Tab`
+ 
 ## Version 0.0.29 (from 2024/11/26)
 
 * Fixed a bug that prevents using annotations of type `dict` or `dict[str, T]`.
diff --git a/chartlets.py/chartlets/components/__init__.py b/chartlets.py/chartlets/components/__init__.py
index 615d95c0..ac2142de 100644
--- a/chartlets.py/chartlets/components/__init__.py
+++ b/chartlets.py/chartlets/components/__init__.py
@@ -3,6 +3,7 @@
 from .button import IconButton
 from .checkbox import Checkbox
 from .charts.vega import VegaChart
+from .divider import Divider
 from .progress import CircularProgress
 from .progress import CircularProgressWithLabel
 from .progress import LinearProgress
diff --git a/chartlets.py/chartlets/components/divider.py b/chartlets.py/chartlets/components/divider.py
new file mode 100644
index 00000000..4f70f5f1
--- /dev/null
+++ b/chartlets.py/chartlets/components/divider.py
@@ -0,0 +1,28 @@
+from dataclasses import dataclass
+from typing import Literal
+
+from chartlets import Container
+
+
+@dataclass(frozen=True)
+class Divider(Container):
+    """The `Divider` component provides a thin,
+    unobtrusive line for grouping elements to reinforce visual hierarchy.
+    """
+
+    orientation: Literal["horizontal", "vertical"] | None = None
+    """The orientation. Can be `horizontal` (default) or `vertical`."""
+
+    variant: Literal["fullWidth", "inset", "middle"] | None = None
+    """The variant. One of `fullWidth ` (default), `inset`, and `middle`."""
+
+    textAlign: Literal["left", "center", "right"] | None = None
+    """Use the `textAlign` prop to align elements that are 
+    wrapped by the divider. One of `left`, `center` (default), and `right`.
+    """
+
+    flexItem: bool | None = None
+    """Use the `flexItem` prop to display the divider when it's being 
+    used in a flex container.
+    """
+
diff --git a/chartlets.py/demo/my_extension/my_panel_3.py b/chartlets.py/demo/my_extension/my_panel_3.py
index e2a91306..36492cc3 100644
--- a/chartlets.py/demo/my_extension/my_panel_3.py
+++ b/chartlets.py/demo/my_extension/my_panel_3.py
@@ -1,5 +1,5 @@
 from chartlets import Component, Input, State, Output
-from chartlets.components import Box, Select, Checkbox, Typography
+from chartlets.components import Box, Divider, Select, Checkbox, Typography
 
 from server.context import Context
 from server.panel import Panel
@@ -42,6 +42,8 @@ def render_panel(
         id="info_text", children=update_info_text(ctx, dataset_id, opaque, color)
     )
 
+    divider = Divider(style={"paddingTop": "10px", "paddingBottom": "10px"})
+
     return Box(
         style={
             "display": "flex",
@@ -50,7 +52,7 @@ def render_panel(
             "height": "100%",
             "gap": "6px",
         },
-        children=[opaque_checkbox, color_select, info_text],
+        children=[opaque_checkbox, color_select, divider, info_text],
     )
 
 
diff --git a/chartlets.py/tests/components/divider_test.py b/chartlets.py/tests/components/divider_test.py
new file mode 100644
index 00000000..ca877039
--- /dev/null
+++ b/chartlets.py/tests/components/divider_test.py
@@ -0,0 +1,22 @@
+from chartlets.components import Divider
+from tests.component_test import make_base
+
+
+class DividerTest(make_base(Divider)):
+
+    def test_is_json_serializable(self):
+        self.assert_is_json_serializable(
+            self.cls(
+                textAlign="center",
+                variant="middle",
+                flexItem=True,
+                children=["Options"],
+            ),
+            {
+                "type": "Divider",
+                "textAlign": "center",
+                "variant": "middle",
+                "flexItem": True,
+                "children": ["Options"],
+            },
+        )