· readysetfba · Fulfilment · 4 min read
Amazon FBA Box Size Limits: Your Ultimate Guide
Navigating the world of Amazon FBA can be tricky, especially when it comes to box size limits. In this comprehensive guide, we'll cover everything you need to know about the Amazon FBA box size limit and help you avoid any potential pitfalls along the way.

Navigating the world of Amazon FBA can be tricky, especially when it comes to box size limits.
In this comprehensive guide, we’ll cover everything you need to know about the Amazon FBA box size limit and help you avoid any potential pitfalls along the way.
Let’s dive right in!
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Understanding Oversized Boxes for Amazon FBA
First things first, what is an oversized box for Amazon?
An oversized box is any package that exceeds the standard dimensions set by Amazon for FBA shipments.
These standard dimensions are 18” x 14” x 8” (45 cm x 35 cm x 20 cm) and a maximum weight of 50 lbs (23 kg).
Any package that goes beyond these measurements is considered oversized.
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The Maximum Carton Size for FBA Shipments
Now, you might be wondering what the maximum size of any side of the carton for FBA shipments is.
Well, the maximum size limit for any side of the carton is 25” (63.5 cm).
Keep in mind, though, that the total dimensions of the box should still not exceed the aforementioned standard dimensions.
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Dealing with Excess Box Size
So, what happens if the box size exceeds the Amazon FBA box size limit?
When your package is larger than the allowed dimensions, Amazon may refuse to accept the shipment, or they might charge you additional fees for handling and storage.
In some cases, Amazon may even require you to repackage the items, which could lead to delays in getting your products listed for sale.
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Consequences of Ignoring Box Size Limits
Not following the Amazon FBA box size limit can have several consequences.
Apart from the extra fees and potential delays, non-compliance with Amazon’s guidelines can also harm your seller reputation and performance metrics.
In extreme cases, Amazon may even suspend your selling privileges if you consistently fail to adhere to their requirements.
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Using Your Own Boxes for Amazon FBA Shipments
Yes, you can use your own boxes for Amazon FBA shipments.
However, you must ensure that your boxes meet Amazon’s packaging requirements, such as using sturdy boxes, sufficient padding, and appropriate packaging tape.
Moreover, make sure to comply with the box size and weight limits.
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Extra Fees for Oversized Shipments
If your shipment exceeds the size limit, you may be subject to additional fees.
These fees can include higher storage costs and long-term storage fees, as well as increased shipping costs.
To avoid these extra charges, always ensure that your shipments fall within Amazon’s guidelines.
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Weight Restrictions for Amazon FBA Boxes
Let’s talk about the weight restrictions for Amazon FBA boxes.
As mentioned earlier, the standard weight limit for FBA boxes is 50 lbs (23 kg).
However, if your package weighs more than this, you’ll need to check the specific product category guidelines on Amazon’s website.
Some product categories may allow for heavier packages, but additional fees may apply.
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Accurate Measurements for Amazon FBA Box Size Limits
Measuring your package accurately is crucial when dealing with Amazon FBA box size limits.
To ensure accuracy, always use a measuring tape or ruler to measure the length, width, and height of your box.
Don’t forget to round up the measurements to the nearest whole inch or centimeter.
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Choosing the Right Box Size for Your Amazon FBA Products
Selecting the right box size for your Amazon FBA products is essential to avoid extra fees and ensure the safety of your items.
Consider the size, weight, and shape of your products when selecting a box.
Make sure the box provides ample space for protective packaging materials, without exceeding the size limits.
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Strategies for Reducing FBA Shipment Dimensions
To keep your FBA shipment within the size limits, consider using smaller boxes or reconfiguring your products within the box.
Optimize your packaging design by using custom-sized boxes or foldable boxes that can be adjusted to fit your products.
This can help you save on shipping costs and avoid exceeding the Amazon FBA box size limits.
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Box Size Limits and Shipping Costs
There is a direct relationship between box size limits and shipping costs.
Larger boxes typically cost more to ship, while smaller boxes can help you save on shipping fees.
By staying within Amazon FBA box size limits, you can maintain cost-effective shipping rates and maximize your profit margins.
Impact of Box Size Limits on Storage Fees
Amazon FBA box size limits also affect storage fees.
Larger boxes occupy more storage space, which can lead to higher storage fees.
By keeping your boxes within the size limits, you can optimize your storage costs and maintain a healthy bottom line.