diff --git a/features/customizable-select.yml b/features/customizable-select.yml
new file mode 100644
index 00000000000..23da0de735e
--- /dev/null
+++ b/features/customizable-select.yml
@@ -0,0 +1,11 @@
+name: Customizable <select>
+description: The `<select>` element's appearance, including the button, selected option, picker dropdown, and options, can be customized using CSS.
+spec: https://open-ui.org/components/customizableselect/
+group:
+  - forms
+  - html-elements
+# Override the status to not supported anywhere, since there's only an
+# early prototype in Chromium.
+status:
+  baseline: false
+  support: {}
diff --git a/features/customizable-select.yml.dist b/features/customizable-select.yml.dist
new file mode 100644
index 00000000000..4207e00834a
--- /dev/null
+++ b/features/customizable-select.yml.dist
@@ -0,0 +1,4 @@
+# Generated from: customizable-select.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+{}