diff --git a/app/Filament/Resources/StickerMasterResource.php b/app/Filament/Resources/StickerMasterResource.php
index ea380b1..f4c6fd1 100644
--- a/app/Filament/Resources/StickerMasterResource.php
+++ b/app/Filament/Resources/StickerMasterResource.php
@@ -579,17 +579,18 @@ class StickerMasterResource extends Resource
                     ->alignCenter(),
                 Tables\Columns\TextColumn::make('material_type')
                     ->label('Material Type')
+                    ->default('-')
                     ->alignCenter()
                     ->formatStateUsing(function ($state) {
-                        if (is_null($state) || $state === '') {
-                            return '';
+                        if (is_null($state) || $state == '') {
+                            return '-';
                         }
 
                         return match ($state) {
                             1 => 'Individual',
                             2 => 'Bundle',
                             3 => 'Quantity',
-                            default => '',
+                            default => '-',
                         };
                     }),
                 Tables\Columns\TextColumn::make('created_at')