diff --git a/database/migrations/094_store_item_is_used.sql b/database/migrations/094_store_item_is_used.sql
new file mode 100644
index 0000000..856c189
--- /dev/null
+++ b/database/migrations/094_store_item_is_used.sql
@@ -0,0 +1,6 @@
+-- Used / second-hand flag on store listings (product-level).
+ALTER TABLE store_items
+  ADD COLUMN IF NOT EXISTS is_used BOOLEAN NOT NULL DEFAULT FALSE;
+
+CREATE INDEX IF NOT EXISTS idx_store_items_business_is_used
+  ON store_items (business_id, is_used);
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 294a131..362c292 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1141,6 +1141,7 @@ model StoreItem {
   businessId   BigInt             @map("business_id")
   productId    BigInt             @map("product_id")
   isActive     Boolean            @default(true) @map("is_active")
+  isUsed       Boolean            @default(false) @map("is_used")
   sortOrder    Int                @default(0) @map("sort_order")
   createdAt    DateTime           @default(now()) @map("created_at") @db.Timestamptz(6)
   updatedAt    DateTime           @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)
@@ -1152,6 +1153,7 @@ model StoreItem {
   @@unique([businessId, productId], map: "store_items_business_product_unique")
   @@index([businessId], map: "idx_store_items_business_id")
   @@index([productId], map: "idx_store_items_product_id")
+  @@index([businessId, isUsed], map: "idx_store_items_business_is_used")
   @@map("store_items")
 }
 
diff --git a/src/store/dto/store-items.dto.ts b/src/store/dto/store-items.dto.ts
index 59eb0a2..a612172 100644
--- a/src/store/dto/store-items.dto.ts
+++ b/src/store/dto/store-items.dto.ts
@@ -57,6 +57,11 @@ export class BatchCreateStoreItemsDto {
   @MinLength(1)
   productId!: string;
 
+  @IsOptional()
+  @Transform(({ value }) => value === 'true' || value === true)
+  @IsBoolean()
+  isUsed?: boolean;
+
   @IsArray()
   @ValidateNested({ each: true })
   @Type(() => CreateStoreItemVariantDto)
@@ -79,6 +84,11 @@ export class ListStoreItemsDto {
   @IsOptional()
   @IsString()
   name?: string;
+
+  @IsOptional()
+  @Transform(({ value }) => value === 'true' || value === true)
+  @IsBoolean()
+  isUsed?: boolean;
 }
 
 export class ListPublicStoreItemsDto {
@@ -120,6 +130,11 @@ export class ListPublicStoreItemsDto {
   @IsBoolean()
   isFestival?: boolean;
 
+  @IsOptional()
+  @Transform(({ value }) => value === 'true' || value === true)
+  @IsBoolean()
+  isUsed?: boolean;
+
   @IsOptional()
   @Type(() => Number)
   @IsNumber()
@@ -209,6 +224,11 @@ export class SyncProductStoreItemVariantsDto {
   @MinLength(1)
   productId!: string;
 
+  @IsOptional()
+  @Transform(({ value }) => value === 'true' || value === true)
+  @IsBoolean()
+  isUsed?: boolean;
+
   @IsArray()
   @ValidateNested({ each: true })
   @Type(() => SyncStoreItemVariantRowDto)
diff --git a/src/store/store-items.service.ts b/src/store/store-items.service.ts
index 19b9cb6..ed8e329 100644
--- a/src/store/store-items.service.ts
+++ b/src/store/store-items.service.ts
@@ -71,23 +71,44 @@ export class StoreItemsService {
     const name = query.name?.trim();
     const where: Prisma.StoreItemVariantWhereInput = {
       businessId,
-      ...(name
+      ...(query.isUsed
         ? {
             storeItem: {
-              product: {
-                OR: [
-                  { title: { contains: name, mode: 'insensitive' } },
-                  {
-                    content: {
-                      path: ['nameFa'],
-                      string_contains: name,
+              isUsed: true,
+              ...(name
+                ? {
+                    product: {
+                      OR: [
+                        { title: { contains: name, mode: 'insensitive' } },
+                        {
+                          content: {
+                            path: ['nameFa'],
+                            string_contains: name,
+                          },
+                        },
+                      ],
                     },
-                  },
-                ],
-              },
+                  }
+                : {}),
             },
           }
-        : {}),
+        : name
+          ? {
+              storeItem: {
+                product: {
+                  OR: [
+                    { title: { contains: name, mode: 'insensitive' } },
+                    {
+                      content: {
+                        path: ['nameFa'],
+                        string_contains: name,
+                      },
+                    },
+                  ],
+                },
+              },
+            }
+          : {}),
     };
 
     const [items, total] = await Promise.all([
@@ -467,7 +488,9 @@ export class StoreItemsService {
     }
 
     const created = await this.prisma.$transaction(async (tx) => {
-      const storeItem = await this.ensureStoreItem(businessId, productId, tx);
+      const storeItem = await this.ensureStoreItem(businessId, productId, tx, {
+        isUsed: dto.isUsed,
+      });
       const baseSortOrder = await tx.storeItemVariant.count({
         where: { storeItemId: storeItem.id },
       });
@@ -719,7 +742,9 @@ export class StoreItemsService {
     }
 
     await this.prisma.$transaction(async (tx) => {
-      const storeItem = await this.ensureStoreItem(businessId, productId, tx);
+      const storeItem = await this.ensureStoreItem(businessId, productId, tx, {
+        isUsed: dto.isUsed,
+      });
       const baseSortOrder = await tx.storeItemVariant.count({
         where: { storeItemId: storeItem.id },
       });
@@ -947,17 +972,28 @@ export class StoreItemsService {
     businessId: bigint,
     productId: bigint,
     tx: Prisma.TransactionClient = this.prisma,
+    options?: { isUsed?: boolean },
   ) {
     const existing = await tx.storeItem.findUnique({
       where: { businessId_productId: { businessId, productId } },
     });
 
     if (existing) {
+      if (options?.isUsed !== undefined && existing.isUsed !== options.isUsed) {
+        return tx.storeItem.update({
+          where: { id: existing.id },
+          data: { isUsed: options.isUsed },
+        });
+      }
       return existing;
     }
 
     return tx.storeItem.create({
-      data: { businessId, productId },
+      data: {
+        businessId,
+        productId,
+        isUsed: options?.isUsed ?? false,
+      },
     });
   }
 
@@ -1126,6 +1162,7 @@ export class StoreItemsService {
       stockQuantity: variant.stockQuantity,
       rewardPoints: variant.rewardPoints,
       isFestival: variant.isFestival,
+      isUsed: variant.storeItem.isUsed,
       sortOrder: variant.sortOrder,
       createdAt: variant.createdAt,
       updatedAt: variant.updatedAt,
@@ -1257,6 +1294,7 @@ export class StoreItemsService {
       isActive: true,
       storeItem: {
         isActive: true,
+        ...(query.isUsed ? { isUsed: true } : {}),
         product: {
           status: ContentStatus.published,
           ...(query.brandId ? { brandId: BigInt(query.brandId) } : {}),
diff --git a/src/store/store-specials.service.ts b/src/store/store-specials.service.ts
index 9ff3c53..fd67e4e 100644
--- a/src/store/store-specials.service.ts
+++ b/src/store/store-specials.service.ts
@@ -473,6 +473,7 @@ export class StoreSpecialsService {
       productNameFa: (content.nameFa as string | null | undefined) ?? '',
       productImage,
       isActive: storeItem.isActive,
+      isUsed: storeItem.isUsed,
       sortOrder: storeItem.sortOrder,
       variants: storeItem.variants.map((variant) => {
         const selections = variant.selections.map((selection) => ({