Understanding the goods
Why natural products vary.
A retail buyer expecting two identical rattan chairs is expecting something the material cannot do. Variation in natural products is not a quality failure, and the way to handle it is to bound it in the specification rather than to complain about it afterwards.
Where the variation comes from.
The organism. Grain, colour, density and size differ between trees, shells and plants, and always will.
The season. Rainfall and temperature change crops year to year, so this year's pepper is not last year's.
The place. Soil and altitude change coffee, cocoa and spices measurably, which is the whole basis of origin as a concept.
The hand. Craft work carries the person who made it, and a workshop with six carvers produces six subtly different pieces.
How to bound it.
A reference sample, sealed and held by both sides, for anything that cannot be reduced to numbers.
A range rather than a target, for colour and figure. Approve a lightest and a darkest and accept everything between.
Numbers for what can be measured: moisture, dimension, defect count, density. These are not variable and they should not be treated as though they were.
A stated tolerance for the rest, agreed before production rather than argued after arrival.
How to sell it.
Tell your customer. A product described as naturally varying meets a different expectation than one photographed as identical.
Photograph the range rather than the best piece, which is honest and reduces returns more than it reduces sales.
Be careful with matched sets. A dining set of six is a much harder promise than six individual chairs, and it should be priced as one.
Reorders are where this bites hardest. Material available next year may not match this year, and saying so in advance is far better than explaining it later.
Where variation is genuinely a defect.
When it crosses a measurable limit: moisture outside the specification, a dimension out of tolerance, a defect count above the agreed number.
When it is inconsistent within a single order, which points at mixed material or mixed production rather than at nature.
When it was not disclosed. A supplier who knew the material would vary and said nothing is a different problem from the material itself.
Questions buyers ask.
How do I stop customers complaining about variation?
Describe it before they buy and photograph the range rather than the best example. Complaints come from a gap between expectation and delivery, and the expectation is the part you control.
Can I get matched pieces?
Within a single run and from a single batch of material, usually yes if you specify it. Across two orders a year apart, frequently not, and that has to be said before the first order rather than after the second.
When is variation a defect?
When it breaks a measurable term you agreed, or when it is inconsistent inside one order. Variation between trees is nature and variation between halves of the same shipment is a production problem.
Read next.
Writing a specification suppliers can price
The document that decides what arrives. What belongs in it, what has to be measurable, and the words that cause disputes.
Grades and grade names
Premium, Super, Grade A. Which grade systems are real and what to write instead.
Approving the first piece
One unit made to your specification, approved in writing before the run starts. The last cheap moment in the process.
Indonesian furniture woods, explained
Teak, acacia, mahogany, suar, albasia and mango. What each behaves like and which one your piece actually needs.
What a sample order includes
Samples answer questions if you ask properly. What to request so the answers are usable.
Buying craft at scale
Handmade and consistent pull against each other. How to get volume without losing the point.
Sourcing from Indonesia?
Tell us the product, the quantity and the destination. We come back with what it involves before anyone talks about money.