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When creating an FBA Inward order in your Amazon Seller Central account, you will need to select the packaging type that you will be using. The two options available are:
Case Packed Order | |
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  | All products in a box must have matching SKU’s and condition. All boxes with the same product must contain equal quantities of that product in each box and must have been packed by the same manufacturer. Products that have the same SKU and quantities will be packed into one master carton and referred to as a Case Packed Product. |
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Here is a quick overview on How to Calculate Pallet versus SPD Small Parcel Delivery Costs.