Once you've placed your order, we are unable to make any changes or additions. Our systems are automated and changes may cause delays or mix-ups in the preparation of your order. We highly suggest that you review your shipping details before checking out. ※ Changes are exceptionally possible if they are prior to delivery, but cannot be changed after delivery is started. Please contact us immediately after purchase.And if it’s possible to upgrade(EMS or Fedex), you have to pay an additional charge.The price depends on your country and the weight of the product(s).