diff --git a/gtk/gtkstringlist.c b/gtk/gtkstringlist.c
index 01b5de815e..c389094f99 100644
--- a/gtk/gtkstringlist.c
+++ b/gtk/gtkstringlist.c
@@ -408,9 +408,15 @@ gtk_string_list_buildable_init (GtkBuildableIface *iface)
 /* {{{ GObject implementation */
 
 enum {
-  PROP_STRINGS = 1
+  PROP_0,
+  PROP_ITEM_TYPE,
+  PROP_N_ITEMS,
+  PROP_STRINGS,
+  N_PROPS
 };
 
+static GParamSpec *properties[N_PROPS] = { NULL, };
+
 G_DEFINE_TYPE_WITH_CODE (GtkStringList, gtk_string_list, G_TYPE_OBJECT,
                          G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
                                                 gtk_string_list_buildable_init)
@@ -427,6 +433,30 @@ gtk_string_list_dispose (GObject *object)
   G_OBJECT_CLASS (gtk_string_list_parent_class)->dispose (object);
 }
 
+static void
+gtk_string_list_get_property (GObject    *object,
+                              guint       prop_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  GtkStringList *self = GTK_STRING_LIST (object);
+
+  switch (prop_id)
+    {
+    case PROP_ITEM_TYPE:
+      g_value_set_gtype (value, gtk_string_list_get_item_type (G_LIST_MODEL (self)));
+      break;
+
+    case PROP_N_ITEMS:
+      g_value_set_uint (value, gtk_string_list_get_n_items (G_LIST_MODEL (self)));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
 static void
 gtk_string_list_set_property (GObject      *object,
                               unsigned int  prop_id,
@@ -454,17 +484,44 @@ gtk_string_list_class_init (GtkStringListClass *class)
   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 
   gobject_class->dispose = gtk_string_list_dispose;
+  gobject_class->get_property = gtk_string_list_get_property;
   gobject_class->set_property = gtk_string_list_set_property;
 
+  /**
+   * GtkStringList:item-type:
+   *
+   * The type of items. See [method@Gio.ListModel.get_item_type].
+   *
+   * Since: 4.14
+   **/
+  properties[PROP_ITEM_TYPE] =
+    g_param_spec_gtype ("item-type", NULL, NULL,
+                        G_TYPE_OBJECT,
+                        G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+  /**
+   * GtkStringList:n-items:
+   *
+   * The number of items. See [method@Gio.ListModel.get_n_items].
+   *
+   * Since: 4.14
+   **/
+  properties[PROP_N_ITEMS] =
+    g_param_spec_uint ("n-items", NULL, NULL,
+                       0, G_MAXUINT, 0,
+                       G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
   /**
    * GtkStringList:strings:
    *
    * Since: 4.10
    */
-  g_object_class_install_property (gobject_class, PROP_STRINGS,
+  properties[PROP_STRINGS] =
       g_param_spec_boxed ("strings", NULL, NULL,
                           G_TYPE_STRV,
-                          G_PARAM_WRITABLE|G_PARAM_STATIC_STRINGS|G_PARAM_CONSTRUCT_ONLY));
+                          G_PARAM_WRITABLE|G_PARAM_STATIC_STRINGS|G_PARAM_CONSTRUCT_ONLY);
+
+  g_object_class_install_properties (gobject_class, N_PROPS, properties);
 }
 
 static void
@@ -538,6 +595,9 @@ gtk_string_list_splice (GtkStringList      *self,
 
   if (n_removals || n_additions)
     g_list_model_items_changed (G_LIST_MODEL (self), position, n_removals, n_additions);
+
+  if (n_removals != n_additions)
+    g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
 }
 
 /**
@@ -559,6 +619,7 @@ gtk_string_list_append (GtkStringList *self,
   objects_append (&self->items, gtk_string_object_new (string));
 
   g_list_model_items_changed (G_LIST_MODEL (self), objects_get_size (&self->items) - 1, 0, 1);
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
 }
 
 /**
@@ -585,6 +646,7 @@ gtk_string_list_take (GtkStringList *self,
   objects_append (&self->items, gtk_string_object_new_take (string));
 
   g_list_model_items_changed (G_LIST_MODEL (self), objects_get_size (&self->items) - 1, 0, 1);
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
 }
 
 /**