diff --git a/files/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py b/files/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py
old mode 100755
new mode 100644
index 09ce234c99..6def60eb9f
--- a/files/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py
+++ b/files/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py
@@ -1,5 +1,6 @@
 #!/usr/bin/python3
 
+
 import sys
 import json
 import gi
@@ -60,7 +61,7 @@ def can_show(vlist, possible):
         section = SettingsSection(_("Customize"))
         self.add(section)
 
-        widget = PanelRange(dimension_text, "org.cinnamon", "panels-height", self.panel_id, _("Smaller"), _("Larger"), mini=20, maxi=60, show_value=True)
+        widget = PanelRange(dimension_text, "org.cinnamon", "panels-height", self.panel_id, _("Smaller"), _("Larger"), mini=20, maxi=130, show_value=True)
         widget.set_rounding(0)
         section.add_row(widget)
 
@@ -127,7 +128,14 @@ def create_zone_page(self, zone):
             [22, '22px'],
             [24, '24px'],
             [32, '32px'],
-            [48, '48px']
+            [40, '40px'],
+            [48, '48px'],
+            [56, '56px'],
+            [64, '64px'],
+            [72, '72px'],
+            [80, '80px'],
+            [96, '96px'],
+            [128, '128px']
         ]
 
         widget = PanelJSONComboBox(_("Colored icon size"),
@@ -137,7 +145,7 @@ def create_zone_page(self, zone):
 
         widget = PanelJSONSpinButton(_("Symbolic icon size"),
                                      "org.cinnamon", "panel-zone-symbolic-icon-sizes",
-                                     self.panel_id, zone, _("px"), 10, 50, 1, 0)
+                                     self.panel_id, zone, _("px"), 10, 128, 1, 0)
         zone_page.pack_start(widget, False, False, 0)
 
         return zone_page
diff --git a/js/ui/panel.js b/js/ui/panel.js
index 11c736bec2..1ad115c067 100644
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -42,7 +42,7 @@ const APPLETS_DROP_ANIMATION_TIME = 0.2;
 const PANEL_PEEK_TIME = 1500;
 
 const EDIT_MODE_MIN_BOX_SIZE = 25;
-const VALID_ICON_SIZE_VALUES = [-1, 0, 16, 22, 24, 32, 48];
+const VALID_ICON_SIZE_VALUES = [-1, 0, 16, 22, 24, 32, 48, 64, 72, 80, 96, 128];
 
 /*** These are defaults for a new panel added */
 const DEFAULT_PANEL_VALUES = {"panels-autohide": "false",
@@ -58,13 +58,13 @@ const DEFAULT_SYMBOLIC_ICON_SIZE_VALUES = {"left":   28,
                                            "center": 28,
                                            "right":  28};
 const MIN_SYMBOLIC_SIZE_PX = 10;
-const MAX_SYMBOLIC_SIZE_PX = 50;
+const MAX_SYMBOLIC_SIZE_PX = 130;
 
 const DEFAULT_TEXT_SIZE_VALUES = {"left":   0.0,
                                   "center": 0.0,
                                   "right":  0.0};
 const MIN_TEXT_SIZE_PTS = 6.0;
-const MAX_TEXT_SIZE_PTS = 16.0;
+const MAX_TEXT_SIZE_PTS = 24.0;
 /*** Defaults ***/
 
 const PANEL_AUTOHIDE_KEY = "panels-autohide";
@@ -254,8 +254,16 @@ function toStandardIconSize(maxSize) {
     if (maxSize < 22) return 16;
     else if (maxSize < 24) return 22;
     else if (maxSize < 32) return 24;
-    else if (maxSize < 48) return 32;
-    // Panel icons reach 32 at most with the largest panel, also on hidpi
+    else if (maxSize < 40) return 32;
+    else if (maxSize < 48) return 40;
+    else if (maxSize < 56) return 48;
+    else if (maxSize < 64) return 56;
+    else if (maxSize < 72) return 64;
+    else if (maxSize < 80) return 72;
+    else if (maxSize < 96) return 80;
+    else if (maxSize < 128) return 96;
+    else if (maxSize < 160) return 128;
+    // Panel icons reach 128 at most with the largest panel, also on hidpi
     return 48;
 }