diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8975b1c..1703987 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # 0.19.0
  - feat: adding `NesSectionHeader`
+ - feat: adding `NesIcons16.check`
 
 # 0.18.0
  - feat: add `NesIcons.wrench`
diff --git a/lib/src/theme.dart b/lib/src/theme.dart
index 736c19e..4e3d83f 100644
--- a/lib/src/theme.dart
+++ b/lib/src/theme.dart
@@ -294,8 +294,12 @@ class NesIconTheme extends ThemeExtension<NesIconTheme> {
     required this.secondary,
     required this.accent,
     required this.shadow,
+    this.size = 32,
   });
 
+  /// The size of the icon.
+  final double size;
+
   /// Primary color of the icon palette.
   final Color primary;
 
@@ -310,12 +314,14 @@ class NesIconTheme extends ThemeExtension<NesIconTheme> {
 
   @override
   NesIconTheme copyWith({
+    double? size,
     Color? primary,
     Color? secondary,
     Color? accent,
     Color? shadow,
   }) {
     return NesIconTheme(
+      size: size ?? this.size,
       primary: primary ?? this.primary,
       secondary: secondary ?? this.secondary,
       accent: accent ?? this.accent,
@@ -327,6 +333,10 @@ class NesIconTheme extends ThemeExtension<NesIconTheme> {
   NesIconTheme lerp(ThemeExtension<NesIconTheme>? other, double t) {
     final otherExt = other as NesIconTheme?;
     return NesIconTheme(
+      size: Tween<double>(
+        begin: size,
+        end: otherExt?.size ?? size,
+      ).transform(t),
       primary: ColorTween(
             begin: primary,
             end: otherExt?.primary,
diff --git a/lib/src/widgets/nes_icon.dart b/lib/src/widgets/nes_icon.dart
index f362f3b..02ccfb0 100644
--- a/lib/src/widgets/nes_icon.dart
+++ b/lib/src/widgets/nes_icon.dart
@@ -805,16 +805,14 @@ class NesIcon extends StatelessWidget {
 
     var pixelSize = nesTheme.pixelSize.toDouble();
 
-    final customSize = size;
-    if (customSize != null) {
-      final spriteHorizontalUnits = iconData.sprite.pixels[0].length;
-      final spriteVerticalUnits = iconData.sprite.pixels.length;
+    final iconSize = size ?? Size.square(nesIconTheme.size);
+    final spriteHorizontalUnits = iconData.sprite.pixels[0].length;
+    final spriteVerticalUnits = iconData.sprite.pixels.length;
 
-      final width = customSize.width / spriteHorizontalUnits;
-      final height = customSize.height / spriteVerticalUnits;
+    final width = iconSize.width / spriteHorizontalUnits;
+    final height = iconSize.height / spriteVerticalUnits;
 
-      pixelSize = math.min(width, height).roundToDouble();
-    }
+    pixelSize = math.min(width, height).roundToDouble();
 
     return MiniSpriteWidget(
       pixelSize: pixelSize,
diff --git a/lib/src/widgets/nes_icon16.dart b/lib/src/widgets/nes_icon16.dart
index 1c74684..19aacb6 100644
--- a/lib/src/widgets/nes_icon16.dart
+++ b/lib/src/widgets/nes_icon16.dart
@@ -10,7 +10,7 @@ class NesIcons16 {
   /// A check icon.
   static final check = NesIconData(
     MiniSprite.fromDataString(
-      '8,8;6,-1;2,0;5,-1;1,0;1,1;1,0;4,-1;1,0;2,1;3,0;1,-1;1,0;2,1;1,0;1,-1;1,0;1,1;1,0;2,1;1,0;2,-1;1,0;3,1;1,0;4,-1;1,0;1,1;1,0;6,-1;1,0;5,-1',
+      '16,16;14,-1;2,0;13,-1;1,0;1,2;1,0;12,-1;1,0;1,2;1,3;1,0;11,-1;1,0;1,2;1,1;1,2;1,0;10,-1;1,0;1,2;2,1;1,3;1,0;9,-1;1,0;1,2;2,1;1,3;1,0;9,-1;1,0;1,2;2,1;1,3;1,0;3,-1;2,0;4,-1;1,0;1,2;2,1;1,3;1,0;3,-1;1,0;2,2;1,0;2,-1;1,0;1,2;2,1;1,3;1,0;4,-1;1,0;1,3;1,2;1,0;1,-1;1,0;1,2;2,1;1,3;1,0;5,-1;1,0;1,2;1,1;1,2;1,0;1,2;2,1;1,3;1,0;6,-1;1,0;1,3;2,1;1,2;2,1;1,3;1,0;8,-1;1,0;1,3;3,1;1,3;1,0;10,-1;1,0;1,3;1,1;1,3;1,0;12,-1;1,0;1,3;1,0;14,-1;1,0;11,-1',
     ),
   );
 }