diff --git a/docs/styling.md b/docs/styling.md
index da574f8..3bf3748 100644
--- a/docs/styling.md
+++ b/docs/styling.md
@@ -46,6 +46,8 @@ Mixins
  ------|-------------
  `--paper-datatable-column-header` | column header style applied to text headers
  `--paper-datatable-cell` | applied to all data cells
+ `--paper-datatable-header-checkbox-size` | size of all selectable header checkboxe
+ `--paper-datatable-checkbox-size` | size of all selectable checkboxes
  `--paper-datatable-cell-last` | applied to the last cell of each row (used to increase the `padding-right` if you overwrite it in `--paper-datatable-cell`)
  `--paper-datatable-column-header-sorted` | applied to the sort icon
  `--paper-datatable-column-header-sort-icon-hover` | applied to the sort icon when hovered
diff --git a/paper-datatable.html b/paper-datatable.html
index d1c8907..06621c2 100644
--- a/paper-datatable.html
+++ b/paper-datatable.html
@@ -205,16 +205,18 @@
 			paper-checkbox{
 				--paper-checkbox-unchecked-color: var(--paper-datatable-checkbox-border-color, --primary-text-color);
 				--paper-checkbox-checked-color: var(--paper-datatable-checkbox-color, --accent-color);
+				--paper-checkbox-size: var(--paper-datatable-checkbox-size);
 				@apply(--paper-datatable-checkbox);
 			}
 			th paper-checkbox{
 				--paper-checkbox-unchecked-color: var(--paper-datatable-header-checkbox-border-color, --primary-text-color);
 				--paper-checkbox-checked-color: var(--paper-datatable-header-checkbox-color, --accent-color);
+				--paper-checkbox-size: var(--paper-datatable-header-checkbox-size);
 				@apply(--paper-datatable-header-checkbox);
 			}
 			.partialSelectionContainer{
-				width:18px;
-				height:18px;
+				width:var(--paper-datatable-header-checkbox-size,18px);
+				height:var(--paper-datatable-header-checkbox-size,18px);
 				position:relative;
 				display:flex;
 				align-items:center;