Tray count is the quantity most often treated as fixed and most often changed quietly. Because price is usually quoted per tray, a reduction in fill quantity raises the real cost per fan without any visible price change — which is why it belongs in every specification.
Why per-tray pricing hides the variable
A price per tray is only comparable between suppliers if the fill quantity is the same. Two trays priced identically with 800 and 1,000 fans are not the same product at the same price — one is 25 percent more expensive per fan.
The comparison is easy to make once count is written down and almost impossible to make from a price list alone.
How consumption exposes it
Fans consumed per set is stable for a given density and service mix. If a salon using 1,000-fan trays at 180 fans per set starts consuming 220 fans per set without any change in service, fill quantity is the first thing to check.
The same signal appears in reorder frequency. A SKU that used to cover a month and now covers three weeks is either being used more or containing less.
What to put in the specification
- Fans per tray, stated as a minimum rather than a target.
- The quantity unit — trays, boxes or individual fans.
- The length mix and its proportions if the tray is mixed.
- Whether count is checked at packing and how it is verified.
Cost per fan as the working number
Tracking cost per fan rather than cost per tray makes fill changes immediately visible, because the number moves as soon as either price or quantity changes. It also makes comparisons between suppliers meaningful, which price per tray does not.
Alongside cost per fan, track fans consumed per set. Those two numbers together describe the real economics of a service.
A count stated as a minimum in the specification turns a quiet change into a documented one. Most buyers discover fill changes only when a reorder arrives and the drawer empties faster than expected.