Size Conversion Bullet is an optional size and fit attribute on Bloomingdale's Marketplace for the women's dresses department. It exists for dresses sold on a size scale shoppers cannot read at a glance, such as maternity sizes 1, 2 and 3 or a European or alpha scale that maps unevenly to US numeric sizes. The bullet translates that scale into US sizes so the customer orders correctly the first time, which cuts returns for the brand and for Bloomingdale's.
Bloomingdale's Marketplace runs on Mirakl and shares its size and fit definitions with Macy's. This page covers women's dresses; the same attribute exists for women's bottoms.
The rules
| Rule | Detail |
|---|---|
| Required | No |
| Level | Parent listing, one value shared by every color and size |
| Length | Up to 254 characters, spaces included |
| Format | One phrase, no trailing period |
| Content | A conversion to US sizes, only when the dress uses a non-standard size scale |
Bloomingdale's sets the wording. Start with "Please use the following size conversions when ordering this item:" and follow it with each size on your scale mapped to its US equivalent, separated by semicolons. The reference example from Bloomingdale's definition is a maternity scale: "Please use the following size conversions when ordering this item: 1 = pre-pregnancy 0-6; 2 = pre-pregnancy 8-12; 3 = pre-pregnancy 14-18". A dress sold in standard US numeric or alpha sizes gets an empty field.
Examples
| Value | Verdict | Reason |
|---|---|---|
| Please use the following size conversions when ordering this item: 1 = pre-pregnancy 0-6; 2 = pre-pregnancy 8-12; 3 = pre-pregnancy 14-18 | Good | Bloomingdale's wording, complete scale |
| Please use the following size conversions when ordering this item: IT 40 = US 4; IT 42 = US 6; IT 44 = US 8 | Good | Same format applied to an Italian scale |
| Runs small | Weak | Fit guidance, not a conversion |
| See size chart | Weak | Sends the shopper elsewhere instead of converting |
| S = 4-6 | Weak | Missing the required lead-in and the rest of the scale |
Common mistakes
- Filling the field for a dress in standard US sizes. Leave it empty.
- Converting only part of the size run. Every size the dress is sold in needs a US equivalent.
- Putting "fits small" or "order one size up" here. That is Sizing Information.
- Running past 254 characters on a long size run. Abbreviate consistently rather than dropping sizes.
How Osello fills this field
Osello treats Size Conversion Bullet as an optional, parent-level text field on Bloomingdale's women's dress listings, so one phrase is shared by every variant. The AI reads the product description first, then the attributes, then the images, and fills the field only when the source shows a non-standard size scale with its US equivalents, using Bloomingdale's lead-in phrase. For standard US sizing it leaves the field blank. It never invents a mapping; if the conversion is not in your product data, add it there or through custom instructions.
Frequently asked questions
Is Size Conversion Bullet required on Bloomingdale's?
No. It is optional for women's dresses and should be empty for dresses sold in standard US sizes.
Do I need the exact lead-in phrase?
Yes. Bloomingdale's format starts with "Please use the following size conversions when ordering this item:" followed by the mapped sizes.
Does a dress in S, M and L need a conversion?
Not by default. Alpha sizing is a standard US scale. Add a conversion only when your alpha sizes map to unexpected numeric sizes and the shopper needs the mapping to order correctly.