diff --git a/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/chrome.css b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/chrome.css
new file mode 100644
index 00000000..bd315e21
--- /dev/null
+++ b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/chrome.css
@@ -0,0 +1,8 @@
+
+@-moz-document url-prefix("chrome:") {
+/* Hides the close button on pinned tabs */
+:root #vertical-pinned-tabs-container .tab-close-button,
+#main-window #vertical-pinned-tabs-container .tab-close-button {
+   display: none !important;
+}
+}
diff --git a/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/image.png b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/image.png
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index 00000000..4cd6d87b
Binary files /dev/null and b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/image.png differ
diff --git a/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/readme.md b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/readme.md
new file mode 100644
index 00000000..492f0d4f
--- /dev/null
+++ b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/readme.md
@@ -0,0 +1,3 @@
+
+This zen mod removes the close button from pinned tabs to prevent accidental closure.
+Pinned tabs can still be closed through the context menu.
diff --git a/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/theme.json b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/theme.json
new file mode 100644
index 00000000..397110a2
--- /dev/null
+++ b/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/theme.json
@@ -0,0 +1,14 @@
+{
+    "id": "fb473f0e-005f-4cf1-97f8-ad1475f16722",
+    "name": "Hide pinned close button",
+    "description": "hide the close button on pinned tabs, to prevent accidental closure.",
+    "homepage": "https://github.com/Bliwi/zenhideclosepinned",
+    "style": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/chrome.css",
+    "readme": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/readme.md",
+    "image": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/fb473f0e-005f-4cf1-97f8-ad1475f16722/image.png",
+    "author": "Bliwi",
+    "version": "1.0.0",
+    "tags": [],
+    "createdAt": "2025-03-10",
+    "updatedAt": "2025-03-10"
+}
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