diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4600d0..ebe2782 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog #
 
+## Version 3.3.0 ##
+
+🛠️ Bug fixes:
+
+* Tests only: `qthelpers.close_widgets_and_quit` now ignores deleted widgets
+
+💥 Changes:
+
+* `dataset.ImageChoiceItem` and `dataset.ButtonItem`: added `size` argument to set the icon size
+
 ## Version 3.2.0 ##
 
 🛠️ Bug fixes:
diff --git a/guidata/__init__.py b/guidata/__init__.py
index 966282f..8fdea8e 100644
--- a/guidata/__init__.py
+++ b/guidata/__init__.py
@@ -8,7 +8,7 @@
 and application development tools for Qt.
 """
 
-__version__ = "3.2.0"
+__version__ = "3.3.0"
 
 
 # Dear (Debian, RPM, ...) package makers, please feel free to customize the
diff --git a/guidata/dataset/dataitems.py b/guidata/dataset/dataitems.py
index 886d077..3552372 100644
--- a/guidata/dataset/dataitems.py
+++ b/guidata/dataset/dataitems.py
@@ -737,6 +737,7 @@ class ChoiceItem(DataItem):
         check: if False, value is not checked (optional, default=True)
         radio: if True, shows radio buttons instead of a combo box
          (default is False)
+        size: size (optional) of the combo box or button widget (for radio buttons)
     """
 
     def __init__(
@@ -747,6 +748,7 @@ def __init__(
         help: str = "",
         check: bool = True,
         radio: bool = False,
+        size: tuple[int, int] | None = None,
     ) -> None:
         _choices_data: Any
         if isinstance(choices, Callable):
@@ -762,6 +764,7 @@ def __init__(
         super().__init__(label, default=default, help=help, check=check)
         self.set_prop("data", choices=_choices_data)
         self.set_prop("display", radio=radio)
+        self.set_prop("display", size=size)
 
     def _normalize_choice(
         self, idx: int, choice_tuple: tuple[Any, ...]
@@ -1011,6 +1014,7 @@ class ButtonItem(DataItem):
         default: default value passed to the callback (optional)
         help: text shown in button's tooltip (optional)
         check: if False, value is not checked (optional, default=True)
+        size: size (optional) of the button widget
 
     The value of this item is unspecified but is passed to the callback along
     with the whole dataset. The value is assigned the callback`s return value.
@@ -1024,10 +1028,12 @@ def __init__(
         default: Any | None = None,
         help: str = "",
         check: bool = True,
+        size: tuple[int, int] | None = None,
     ) -> None:
         super().__init__(label, default=default, help=help, check=check)
         self.set_prop("display", callback=callback)
         self.set_prop("display", icon=icon)
+        self.set_prop("display", size=size)
 
     def serialize(
         self,
diff --git a/guidata/dataset/qtitemwidgets.py b/guidata/dataset/qtitemwidgets.py
index a75597d..3aa4836 100644
--- a/guidata/dataset/qtitemwidgets.py
+++ b/guidata/dataset/qtitemwidgets.py
@@ -27,7 +27,7 @@
 
 import numpy
 from qtpy.compat import getexistingdirectory
-from qtpy.QtCore import Qt
+from qtpy.QtCore import QSize, Qt
 from qtpy.QtGui import QColor, QIcon, QPixmap
 from qtpy.QtWidgets import (
     QAbstractButton,
@@ -899,6 +899,7 @@ def __init__(
         super().__init__(item, parent_layout)
         self._first_call = True
         self.is_radio = item.get_prop_value("display", "radio")
+        self.image_size = item.get_prop_value("display", "size", None)
         self.store = self.item.get_prop("display", "store", None)
         if self.is_radio:
             self.group = QGroupBox()
@@ -908,6 +909,9 @@ def __init__(
             self._buttons: list[QAbstractButton] = []
         else:
             self.combobox = self.group = QComboBox()
+            if self.image_size is not None:
+                width, height = self.image_size
+                self.combobox.setIconSize(QSize(width, height))
             self.combobox.setToolTip(item.get_help())
             self.combobox.currentIndexChanged.connect(self.index_changed)  # type:ignore
 
@@ -933,6 +937,9 @@ def initialize_widget(self) -> None:
         for key, lbl, img in _choices:
             if self.is_radio:
                 button = QRadioButton(lbl, self.group)
+                if self.image_size is not None:
+                    width, height = self.image_size
+                    button.setIconSize(QSize(width, height))
             if img:
                 if isinstance(img, str):
                     if not osp.isfile(img):
@@ -1228,6 +1235,10 @@ def __init__(
         _label = self.item.get_prop_value("display", "label")
         self.button = self.group = QPushButton(_label)
         self.button.setToolTip(item.get_help())
+        image_size = item.get_prop_value("display", "size", None)
+        if image_size is not None:
+            width, height = image_size
+            self.button.setIconSize(QSize(width, height))
         _icon = self.item.get_prop_value("display", "icon")
         if _icon is not None:
             if isinstance(_icon, str):
diff --git a/guidata/tests/dataset/test_all_features.py b/guidata/tests/dataset/test_all_features.py
index 117c2ed..f6671d9 100644
--- a/guidata/tests/dataset/test_all_features.py
+++ b/guidata/tests/dataset/test_all_features.py
@@ -104,11 +104,12 @@ class Parameters(gds.DataSet):
             [
                 ("rect", "first choice", "gif.png"),
                 ("ell", "second choice", "txt.png"),
-                ("qcq", "third choice", "file.png"),
+                ("qcq", "third choice", "html.png"),
             ],
         )
         .set_pos(col=1)
         .set_prop("display", icon="file.png")
+        .set_prop("display", size=(32, 32))
     )
     mchoice3 = gds.MultipleChoiceItem(
         "MC type 3", [str(i) for i in range(10)]