diff --git a/icons/mail-inbox-all-big.svg b/icons/mail-inbox-all-big.svg
new file mode 100644
index 0000000..511a024
--- /dev/null
+++ b/icons/mail-inbox-all-big.svg
@@ -0,0 +1,3 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="context-fill" fill-opacity="context-fill-opacity" xmlns="http://www.w3.org/2000/svg">
+<path d="M4.838.852h14.223a4.02 4.02 0 014.014 3.791l.006.228v14.224a4.02 4.02 0 01-3.792 4.013l-.228.007H4.838a4.02 4.02 0 01-4.013-3.792l-.007-.228V4.871A4.02 4.02 0 014.61.858l.228-.006zm2.566 14.223H2.673v4.02c0 1.136.875 2.067 1.987 2.157l.178.007h14.223a2.165 2.165 0 002.158-1.987l.007-.177v-4.02h-4.731a4.64 4.64 0 01-4.298 3.704l-.247.007a4.64 4.64 0 01-4.492-3.478l-.054-.233zM19.061 2.707H4.838a2.164 2.164 0 00-2.157 1.987l-.008.177v8.349h5.566c.47 0 .858.349.919.802l.009.126a2.783 2.783 0 005.559.19l.007-.19c0-.47.349-.858.801-.92l.126-.008h5.566V4.871a2.165 2.165 0 00-1.987-2.157l-.178-.007zM5.456 8.891h12.987a.928.928 0 01.126 1.847l-.126.008H5.456A.927.927 0 015.33 8.9l.126-.009h12.987H5.456zm0-3.71h12.987a.928.928 0 01.126 1.846l-.126.009H5.456a.927.927 0 01-.126-1.847l.126-.008h12.987H5.456z"/>
+</svg>
\ No newline at end of file
diff --git a/userChrome.css b/userChrome.css
index 9652027..a592c07 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -1336,7 +1336,20 @@
     list-style-image: url(./icons/folder.svg) !important;
   }
 
-  /*= Default Icon - Overide ===================================================*/
+  /*= Other Folder - Inbox Icon ==============================================*/
+  /* on Menus */
+  #BMB_bookmarksPopup #BMB_unsortedBookmarks > .menu-iconic-left > .menu-iconic-icon,
+  #bookmarksMenuPopup #menu_unsortedBookmarks  > .menu-iconic-left > .menu-iconic-icon,
+  /* Other Bookmarks -- in Sidebar, Library, Add/Edit Bookmark dialog */
+  :-moz-any(#bookmarks-view, #editBMPanel_folderTree, #placesList, #placeContent) treechildren::-moz-tree-image(container, OrganizerQuery_UnfiledBookmarks),
+  :-moz-any(#bookmarks-view, #editBMPanel_folderTree, #placesList, #placeContent) treechildren::-moz-tree-image(container, queryFolder_unfiled_____),
+  #editBMPanel_unfiledRootItem > .menu-iconic-left, #editBMPanel_folderMenuList[selectedIndex="2"] > .menulist-label-box > .menulist-icon,
+  #editBMPanel_folderMenuList[selectedGuid="unfiled_____"],
+  #OtherBookmarksPopup + .toolbarbutton-icon {
+    list-style-image: url(./icons/mail-inbox-all-big.svg) !important;
+  }
+
+  /*= Default Icon - Overide =================================================*/
   /* https://github.com/mozilla/gecko-dev/blob/master/browser/themes/shared/places/tree-icons.css */
 
   /* Query */