1inclusion in the same package; packing together with (often used as 'to include in the same shipment' or 'to pack together').
取扱説明書は商品と同梱されています。
The instruction manual is included with the product.
サンプルを無料で同梱いたします。
We will include a free sample in the package.
ギフト包装の場合は同梱できない商品がありますのでご注意ください。
Please note that some items cannot be included together when gift wrapping.