Product size tiers

Fulfillment fees are based on the weight and dimensions of the packaged item (the product size tier).

Important: For multi-channel fulfillment orders, see Fulfillment fees for multi-channel fulfillment orders (may not be available in your region).

Standard-size versus oversize

A standard-sized item is one that, when fully packaged, weighs 12 kg or less and does not exceed:

45 cm on its longest side
34 cm on its median side
26 cm on its shortest side

Any item exceeding these dimensions or weighing more than 12 kg is considered oversize.

Important: If a product is sold as a set, the weight and dimensions are the combined total of all of the items in the set packaged together.

Determine the specific product size tier for your item

To determine the correct tier for your item, find the row in the table below with measurements that do not exceed the weight or the dimensions of your item.

Use the larger of either the single unit weight or the dimensional weight. The dimensional weight is equal to the unit volume (length x width x height) divided by 5,000.

Maximum weights and dimensions for packaged items
Product size tier	Weight	Longest side	Median side	Shortest side
Standard size	<12 kg	<=45 cm	<=34 cm	<=26 cm
Oversize*	<30 kg	>45 cm	>34 cm	>26 cm

_{* All items weighing more than 12 kg are classified as oversize}

Important: Item weights, dimensions, and other measures used to calculate FBA fees are determined by Amazon.

Change a product's weight or dimensions

When you are the only seller of an ASIN and you need to change your product's weight or dimensions, follow these steps:

Contact Seller Support and explain that you need to update your unit's weight or dimensions.
If you currently have inventory for the product, you may need to sell through it before the new weight and dimensions show.

Note: Amazon stores weight and dimensions at the ASIN level. We cannot target a specific unit for measurement. When multiple sellers sell the same ASIN, the weight and dimensions information may not represent your specific units.

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