app/Filament/Resources/CourierInwardResource.php

@@ -73,6 +73,8 @@ class CourierInwardResource extends Resource
                     ->options([
                         'Cover' => 'Cover',
                         'Material' => 'Material',
+                        'Gift Box 1No.' => 'Gift Box 1No.',
+                        'Book' => 'Book',
                         'Others' => 'Others',
                     ])
                     ->dehydrateStateUsing(function ($state, callable $get) {
@@ -210,7 +212,7 @@ class CourierInwardResource extends Resource
                             ->searchable()
                             ->reactive()
                             ->afterStateUpdated(function ($state, callable $set, callable $get): void {
-                                $set('type', null);
+                                $set('cover_material', null);
                             }),
                         Select::make('cover_material')
                             ->label('Cover/Material Type')