FBA weight and size from the packed unit you ship

Seller Central wants package weight and dimensions. The factory PDF has a drawing of the inner box. You are sending a case, or a bag, or a padded mailer. Wrong numbers strand the inbound or surprise the shopper. The Transformation Kit is the check: pad from the packed unit, then the attribute, then the public line if the shopper needs it.

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Weigh and measure a unit as you will send it

Not the empty inner. The packed carton or polybag that will land in FBA. Write type, count, material, and what is in the box. Then write weight and the three sides. Photo of the pad next to the scale and the tape. If two pack-outs exist, you have two offers or you pick one and stick to it.

Enter the prep fields, kit the listing if size is a shopper fact

Fill FBA dimensions from this pad. Title still leads with product type and the count you ship. If the shopper buys by size, put the same measurement in a later bullet. Run free optimize only if the English hedges. Save. Then create the inbound. Do not “fix it after they receive.”

A new mailer next month is a new pad

Changing prep without rewriting the field is how you buy a dimension defect. You stay responsible for Amazon compliance. When this inbound is honest and the next pack-out is waiting, Pro checkout is the paid path. Paying does not weigh the carton for you.

No fake reviews. No rank promise. You stay responsible for Amazon compliance.