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This article applies to selling in: Japan

Inbound Performance Summary

When you comply with Fulfillment by Amazon's Packaging requirementsand Shipping and routing requirements, and make sure that your carriers and suppliers do as well, it enables efficient and accurate receipt and storage of your inventory at the fulfillment center.

We provide shipment-level details of any problems with your shipments in the following Seller Central locations:

Additional coaching or product prep requires resources. For repeated problems in the same problem group, Amazon will escalate your coaching level (Standard, Elevated, Critical).

For detailed coaching-level escalations, and their corresponding corrective actions by problem type, see the Unplanned prep services help page.

Note: Amazon escalates your inbound performance issues by Problem group.

Field definitions and examples

Performance measurement unit Whether the problem occurred at the unit, box, or shipment level
Problem group

We group similar problems. For example:

  • Safety issues - box related
  • Label missing - box related

Problem rate calculation and coaching level escalations are based on the problem group.

Problem type

Detailed description of any problem identified with your shipment

Coaching level The coaching level for a particular problem group: standard, elevated, or critical.
Problem units The number of units with the identified problem type
Total inbound performance alerts The number of performance alerts by problem type
Total unplanned service fees Unplanned service fees charged by problem type
Shipment problem details Specific shipment-level details of the problem

Problem group: Safety issues - box related

Problem type Problem description How to avoid the problem
Shipping box overweight One or more boxes in your shipment exceeds the maximum weight limit.

Boxes must not exceed the standard weight limit of 40 kg.

Individual items weighing between 15 and 30 kg must be marked as Heavy Package (viewable from both the top and sides of each heavy-weight container).

Please also see Shipping and routing requirements

Shipping box oversized One or more boxes in your shipment exceeds the maximum dimensions.

Weigh and measure your boxes before sending them to an Amazon fulfillment center.

Boxes containing multiple standard-size items must not exceed 50cm x 60cm x 50cm.

For additional information, see Shipping and routing requirements.

Problem group: Safety issues - product related

Problem type Problem description How to avoid the problem
Electrical products hazard One or more of the products in your shipment was an electrical product without proper packaging.

Package batteries and hard drives to prevent shocks, shorts, and sparks.

  • Batteries must be packaged so their terminals do not touch during any part of the fulfillment process. Unprotected battery terminals can lead to shorts or sparks.
  • Hard drives must be packed in anti-static packaging to prevent shorts or static shock.

For more information, see

Sharp products hazard One or more of the products in your shipment was an incorrectly packaged sharp item.

Sharp items must be packaged so sharp edges or points will not become exposed during the fulfillment process.

  • Sharp items such as blades must be covered to prevent them from injuring customers or fulfillment center associates.
  • Fragile items must either be packaged in a box that has six solid sides or completely secured in bubble wrap.

For more information and how-to videos, see:

Spilled products hazard

One or more of the products in your shipment was an item that can spill. These include:

  • liquids
  • pellets
  • powders
  • granules
  • loose products

Products that can spill may cause damage during shipping and when stored.

  • Liquids: Products containing liquids without a double seal, including viscous products such as honey, must be packaged securely to prevent the product from spilling.

For more information, see Packaging liquids, paste, gels, and creams.

Dry Goods: All items containing dry goods such as pellets, powders, or granular substances must be able to withstand a 80 cm-drop test without the contents of the container leaking or spilling. Products that cannot withstand the drop test must be packaged in polybags.

For drop-test instructions and additional information, see Packaging pellets, powders, and granular products.

  • Loose products: Items contained in loose packaging such as sleeves, pouches, or unsecured bags or boxes may be separated during the fulfillment process. These items must be bagged or secured with a non-adhesive band or removable tape.

For more information, including a how-to video, see the "Loose products" section of Packaging and prep requirements.

Problem group: Unplanned prep - box related

Problem type Problem description How to avoid the problem
Improper packing materials (dunnage) One or more of the boxes in your shipment contained unacceptable packing materials. Be sure to use appropriate dunnage so we can receive your products quickly and protect our associates from injury.

The following packing materials are not allowed:

  • All types of packing peanuts
  • Crinkle wrap
  • Shredded paper

Accepted packing materials include:

  • Foam sheets or cushioning
  • Air pillows
  • Bubble wrap
  • Full sheets of paper

For more information, see the "Packing materials" section of Shipping and routing requirements.

Problem group: Label missing - box related

Problem type Problem description How to avoid the problem
Shipment ID was not included or is unscannable on shipping boxes

One or more of the boxes in your shipment did not have an FBA shipment ID label, or the label could not be scanned.

Each box you send to a fulfillment center must have a shipment ID label. Make sure the labels are uncovered, fully visible, and scannable before sending your shipment.

Label requirements

  • Print the full set of labels. Because each label is unique, do not photocopy, reuse, or modify labels for use on additional boxes.
  • Each box in the shipment must have its own FBA shipment ID label. Your shipment ID labels must be uncovered, fully visible, and scannable when your shipments are received at an Amazon Fulfillment Centers.
  • These labels must be printed from your Shipping Queue.
  • If you are shipping multiple case packs in a larger box, apply the unique shipment ID label on the primary box. You don't need to apply labels to the individual case packs inside the larger box.
  • If your shipment is in pallets, please see Pallets Requirements for the detail.

Label dimensions and placement

  • Labels must measure as six labels per A4 paper or one label per A4 paper.
  • The FBA shipment label should both be placed on a flat surface of the box.
  • Both labels must remain uncovered and fully visible.

For more information, see Send/replenish inventory to Amazon

Problem group: Label missing - product related

Tip: If you do not want to label your products yourself, Amazon will apply them for you, for a per-unit fee. For more information, visit FBA Label Service.
Problem type Problem description How to avoid the problem
Amazon barcode missing One or more of the products in your shipment arrived without the required scannable Amazon barcode, also known as an X00 label or FNSKU. The Amazon barcode is an identifier that fulfillment centers use to identify individual offers for a specific ASIN.
  • If you chose to use an Amazon barcode when you created a listing for a product to be fulfilled by Amazon, you must put the correct X00 label on the product. You can print Amazon barcodes from the Label Products page when you create a shipment or at any time from the Manage Inventory page.
  • Make sure the label title matches the corresponding unit, and label your units one at a time.
  • Cover the entire original manufacturer barcode with your X00 label, and make sure the barcode is visible so it can be scanned at the fulfillment center.

For more information, see Use an Amazon barcode to track inventory.

Manufacturer barcode missing One or more of the products in your shipment arrived at the fulfillment center without the required scannable manufacturer barcode (GCID, UPC, EAN, JAN, or ISBN). Amazon will always use the manufacturer barcode to track your inventory throughout the fulfillment process, unless you change your barcode setting.
  • Make sure your products have a physical barcode (GCID, UPC, EAN, JAN, or ISBN) that is visible so it can be scanned at the fulfillment center.
  • If an ASIN qualifies for tracking by the manufacturer barcode but doesn't have a physical barcode, you can print labels by going to the Inventory Amazon Fulfills page and selecting Print item labels from the Action on drop-down menu.
  • Make sure the label title matches the corresponding unit, and label your units one at a time.
  • For more information, see Using the manufacturer barcode to track inventory.

Problem group: Incorrect label - product related

Problem type Problem description How to avoid the problem
Unit mislabeled The item arrived with a barcode that does not match the physical product.

Ensure that the right label is affixed to the right product.

  • Label your products one at a time.
  • Make sure the label title matches the corresponding product.

For more information, see:

Barcode cannot be scanned One or products in your shipment had a barcode that was smudged or smeared and could not be scanned at the fulfillment center.

Verify that your products have a physical, scannable barcode (UPC, EAN, JAN, ISBN, etc.).

Label placement and size

  • Cover any original barcodes. When using an X00 label, cover the entire, original manufacturer barcode with your label. No other barcodes should be visible.
  • Use the right label and size and type. If you are printing your own barcode labels, be sure to use a format of Code 128A.
  • The blank space on both ends of the barcode (the "quiet zone") must be at least 10 times the width of a narrow bar.

Printer requirements

  • Use a laser printer for your labels. Inkjet printers are more susceptible to smearing and blurry images.
  • Clean your printer. Many labeling errors are caused by dirty printer heads.

For more information, see:

Barcode is not accessible by scanner Due to poor label placement, or prep such as bubble wrap, your barcode is not scannable.

Make sure that the labels lay flat and do not fold over edges. Be sure to have the blank space on both ends of the barcode (the "quiet zone") at least 10 times the width of a narrow bar.

  • You cover all other visible barcodes with the exception of any serial number barcodes.
  • You place the barcode on the outside of any prep materials.
  • You do not place the barcode on a curve or corner of the package.
  • Make sure that each item in a case pack has an Amazon barcode and that any barcodes on the case have been removed.

For more information, see:

Problem group: Other label problems - product related

Problem type Problem description How to avoid the problem
Labeling required

There was an issue with inventory labels.

We performed unplanned prep at the fulfillment center.

  • Label your products one at a time.
  • Make sure the label title matches the corresponding product.
  • Verify that your products have a physical, scannable barcode (UPC, EAN, JAN, ISBN, etc.).
  • Place the label on the outside of the packaging and on a flat surface. Do not fold the label over edges or place it on a curve.

For more information, see:

Problem group: Unplanned prep - Bagging

Tip: If you want Amazon to do your product prep for a per-unit fee, go to the Optional Services page and select Amazon for Who preps? For more information, visit FBA Prep Service.
Problem type Problem description How to avoid the problem
Bagging Items in your shipment did not include the required poly bagging.

Poly bags used to protect items must meet the following requirements.

Note: If a unit is poly bagged, it may also require a label if the bag prevents the barcode from being scanned.

Poly bag requirements

  • Do not pack products in fragile vinyl bags, grocery bags, or paper bags.
  • Poly bags must be transparent.
  • Poly bags must be completely sealed.

Poly bag label requirements

  • The polybag must have a barcode (UPC, EAN, JAN, etc.) or X00-label that is scannable through the bag or have an X00- or ASIN-label on the outside of the bag.

You must completely and securely enclose your products before shipping to protect them from dirt, stains, and other damage.

If products are not completely enclosed, especially products such as stuffed toys and textile goods, they may be treated as unsellable product.

If you do not find your specific issue above, see Packaging and prep requirements.

Problem group: Unplanned prep - Bubble wrap

Problem type Problem description How to avoid the problem
Bubble wrap Items in your shipment did not include the required bubble wrap.

Bubble wrap can protect items from breaking during shipment or storage.

For more information, see:

Problem group: Unplanned prep - product related

Problem type Problem description How to avoid the problem
Taping Items in your shipment had inadequate taping.

Taping can protect products during storage and shipment. Tape can be used to seal poly bags, bubble wrap, boxes that can open easily and caps of bottles that contain liquid, as well as to secure loose products.

For more information, visit Prepare your products for FBA shipping

Problem group: Expiration problems

Problem type Problem description How to avoid the problem
Expiration issue For the detail, see Date- and temperature-sensitive products

Problem group: Unexpected items in shipment

Problem group Problem description How to avoid the problem
Unexpected item found in shipment Your shipment contained items that were not on the original purchase order.
  • Before sending your inventory, list all individual items in the shipment on the shipping plan.
  • When labeling your items, make sure that the label affixed on the item matches the item.
  • Pay extra attention to subtleties such as size and color variations.

For more information, see Set quantity for shipments to Amazon.

Problem group: Inaccurate quantities in shipment

Problem type Problem description How to avoid the problem
More items received than expected Your shipment contained items with quantities in excess of the number specified on the purchase order.

Verify the quantities of each unique item in the shipment, and ensure that they match the quantities specified on the shipping plan.

  • If you want to send additional items after finalizing a shipment, create a new shipment.
  • If you cannot send the products originally planned in your shipment, delete the shipment and create a new one.

For more information, see Set quantity for shipments to Amazon.

Problem group: Transportation-related problems

Problem type Problem description How to avoid the problem
Product or shipment sent to the wrong fulfillment center Inventory was shipped to a different fulfillment center than the one indicated in your shipping plan.
  • Adhere to the split shipments set up in your account. Different products are shipped to different locations to maximize efficiency.
  • Verify that your shipment ID label is in a clear and visible location.
  • This problem may occur when your carrier delivers the shipment to the wrong location. Work with your carrier to ensure that your shipment is delivered to the address on the shipping label.
  • Some fulfillment centers may share a ZIP code. Be sure to print the correct address on the shipment label if you are identifying the fulfillment center location by the ZIP code.

For more information, see:

Problem group: FBA restricted items

Problem type Problem description How to avoid the problem
Restricted item

Some products require prior approval before you can sell them on Amazon. There are also products that FBA does not support.

All Amazon requirements and restrictions also apply to FBA.

  • Certain products cannot be listed for sale on Amazon.
  • Some products may be eligible for sale on Amazon but cannot be sold through FBA.
  • Some products cannot be sold as a matter of compliance with legal or regulatory restrictions (for example, prescription drugs).
  • Specific product content is prohibited as a matter of Amazon policy (for example, crime scene photos).

For more information, visit:

Problem group: Damaged products

Problem type Problem description How to avoid the problem
Product damaged upon arrival Some of your items arrived damaged at the fulfillment center, and we could not process them into your sellable inventory.

Prep your products according to our Packaging and prep requirements.

Using proper packing material (dunnage) when packing your boxes can help ensure your inventory is not damaged in transit.

Acceptable dunnage includes

  • Foam sheets or cushioning
  • Air pillows
  • Bubble wrap
  • Full sheets of paper

When sending pallets, stack your boxes with the heaviest boxes on the bottom and the lightest on the top.

Problem group: Other problems – product and shipment related

Problem type Problem description Problem description and how to avoid
There were general issues identified with your shipment. Generic event

Follow the steps below for instructions on how to avoid these problems.

  1. In Seller Central, go to the Inventory tab and select Manage FBA Shipments.
  2. On the Shipping Queue page, click Track shipment to the right of the shipment.
  3. On the Shipment summary page, go to Problem details.

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