Cavity Count vs Amazon FBA Pack Count (Not a Bigger Tray Fantasy)
FBA pack of 12 with an 8-cavity tray that drifts 0.6 g. How brands should spec cavity count against pack math at MOQ 20.

On this page
Your FBA box says 12 pieces. The tray has 8 cavities. Two extra from yesterday's pour sit in a tub and pick up humidity. Or you run 12 cavities and cavity 11 is 0.6 g heavy and a buyer photos the nutrition panel. Pack count is a cavity-count spec, not a warehouse afterthought.
RUUIPON quotes multi-cavity sheets at MOQ 20, Shenzhen since 2018. Weight variance already has a URL: cavity weight variance. This page is pack-count math for Amazon / Shopify kits.
Pack Count Exposes Drift the Listing Hid
A one-cavity hobby tool never showed you cavity 11. A 12-cavity sheet will. Approve with a scale in the room. If Amazon nutrition or unit-count claims depend on grams, variance is a compliance problem. We do not write your label. We will ask for a gram target and a band you can live with.
Cavity Math Before You Cut
| Pack | Tray habit that fails |
|---|---|
| 6-pack | 10-cavity sheet, leftover 4, mix aging |
| 12-pack | 8-cavity sheet plus a "we will make up 4" |
| Variety 3 flavors | One tray, three fills, three stick stories |
| Subscribe-and-save | No spare tray when one sheet tears |
Layout spacing: multi-cavity layout. Reorder buffer: reorder lead time.
If a Label Needs Grams
Send the gram target and the band. We will not invent +/- 0.05 g on a 40 g chocolate if your temper process cannot hold it. Food-contact path: food-grade silicone molds.
FBA RFQ Fields
Pack count, pour, gram target, whether variety SKUs share a cavity, weekly packs, destination. contact.
FAQ
Should cavity count equal pack count?
Often yes for the first SKU. Leftover cavities become a process bug.
MOQ 20 trays or 20 packs?
Trays per design.
Same as Etsy restock cavity article?
No. That URL is restock labor. This one is pack/label math.
Quote: quote.
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Free quote for OEM/ODM projects. MOQ 20 · Prototype 3-7 days · FDA/LFGB available.
