输入适用于所有发货地址的偏好设置
这些购买配送偏好设置适用于所有发货地址，无论您使用了哪个默认配送地址。您可以设置自定义包裹类型、确认偏好设置和保险设置。
在购买配送偏好设置页面，您可以针对商品配送创建自定义包裹类型。在创建新的包裹类型时，请在购买配送偏好设置页面上输入尺寸。完成后，您就可以在购买配送时选择该包裹类型。
要创建、修改、删除或重新组织自定义包裹，请前往购买配送偏好设置页面。
依次点击订单 > 管理订单。
在订单旁，点击购买配送，然后点击购买配送偏好设置。
在所有配送部分点击编辑，可以管理自定义包裹。
可以执行以下一项或多项操作：
要添加新的包裹类型，请点击添加新包裹按钮，然后在各列填入相应信息。
要删除现有包裹类型，请在该行右侧点击删除。
要修改现有的包裹类型，请输入新信息以覆盖现有信息。
点击保存所有更改按钮保存您的更改。
Note: 在“购买配送服务”的第二列，您可以选择自定义包裹，然后键入三个包裹尺寸的不同值，从而实现一次性配送购买。一次性的尺寸不会被保存。
利用“确认偏好设置”功能，您可以针对所有货件或者超过指定包裹价值的货件，预先选择某些设置。这些设置适用于所有货件，无论货件从哪个库房发出。
在确认偏好设置部分，选择以下一项偏好设置：
无：系统不会在“购买配送”中预先选择确认。
所有包裹：系统会在“购买配送”中预先选择您首选的确认方式。
超过指定价值的所有包裹：系统会在“购买配送”中针对超过指定价值的所有包裹，预先选择您首选的确认方式。
如果您针对所有包裹或超过指定价值的包裹选择了确认，系统会为您提供以下选项：
送达确认：承运人将在包裹送达时进行确认（通常需要收费，费用因承运人而异）。
签名确认：承运人将在包裹送达时要求收件人签名（通常需要收费，费用因承运人而异）。
利用保险偏好设置，您可以针对所有货件或者仅针对超过指定包裹价值的货件，设置可选保险设置。这些设置适用于所有货件，无论货件从哪个库房发出。
在保险部分，选择以下一项偏好设置：
无：系统不会在“购买配送”中预先选择保险。
所有包裹：系统会针对所有包裹预先选择保险。
超过指定价值的所有包裹：系统会针对超过指定价值的所有包裹预先选择保险。
注意:
保险总额的包裹价值将被设置为向买家收取的总费用（不含税费）。
基于承运人和配送方式的默认保险将始终可用。有关更多信息，请参阅针对丢失或残损货件的可选保险项目。
亚马逊官网原文详情：
Enter Buy Shipping preferences for all shipping locations
These Buy Shipping preferences apply to all shipping locations, regardless of the default shipping address that is used. You can set custom package types, confirmation preferences, and insurance settings.
On the Buy Shipping preferences page, you can create custom package types for shipping your products. When you create a new package type, enter the dimensions into the Buy Shipping preferences page. Once complete, this allows you to select that package type when purchasing shipping.
To create, modify, delete, or reorganize custom packaging, go to the Buy Shipping preferences page:
Select Settings at the top right of any page in Seller Central, click Account Info, and then click Buy Shipping Preferences under Shipping and Returns Information.
Next to an order, click Buy shipping, and then click Buy Shipping preferences.
Click Edit in the Preferences for all ship-from locations area to manage custom packages.
Perform one or more of these actions:
To add a new package type, click Add New package button and fill in the columns.
To delete an existing package type, click delete on the right side of the row.
To modify an existing package type, type the new information over the existing information.
Click the Save all changes button to save your changes.
Note: In the second column of Buy Shipping Services, you can select the Custom package and type in different values for any of the three package dimensions for a one-time shipping purchase. The one-time dimensions will not be saved for future use.
Confirmation preferences allow you to preselect settings for all of your shipments or for shipments over a defined package value. These settings will apply to all shipments regardless of the warehouse they are shipped from.
In the Confirmation preferences section, select one of the following preferences:
None: Confirmation will never be preselected in Buy Shipping.
For all packages: Your preferred confirmation method will be preselected in Buy Shipping.
For all packages over a defined value: Your preferred confirmation method will be preselected in Buy Shipping for all packages over the value you define.
If you select confirmation for either all packages or packages over a defined value you will have the following options:
Delivery confirmation: Carrier will confirm when package is delivered (charges usually apply and vary per carrier).
Signature confirmation: Carrier will obtain a signature when package is delivered (charges usually apply and vary per carrier).
Insurance preferences allow you to set your optional insurance settings for all of your shipments, or only for shipments over a defined package value. These settings will apply to all shipments regardless of the warehouse they are shipped from.
In the Insurance section, select one of the following preferences:
None: Insurance will never be preselected in Buy Shipping.
For all packages: Insurance will be preselected for all packages.
For all packages over a defined value: Insurance will be preselected for all packages over the value you define.
Notes:
The package value for insurance coverage will be set to the total cost charged to the buyer (excluding tax).
The default insurance based on the carrier and shipping method is always available. For more information, see Optional coverage for loss or damage.
文章来源：亚马逊官方网站
