Launching a private label diaper brand is a packaging-and-spec business as much as a product business. You are competing with national brands on shelf and on price, so the spec, the carton and the freight economics all have to be right. This is the minimum checklist before you sign anything.
1. Lock your size matrix
Baby diapers typically sell in S / M / L / XL, with gram weight rising per size. Decide your size range and the weight bands per size based on your market. Do not start with every size — launch with the two or three that carry most of your volume, then extend.
2. Define the core spec by tier
Your price position decides the core. Economic lines use a lower SAP ratio; premium lines add ADL layers, 3D topsheets and breathable backsheets. Write the spec down — SAP grade, pulp ratio, topsheet type, backsheet breathability — and ask the factory to confirm each line item in writing.
3. Design packaging for the shelf and the container
Carton structure and film design affect both brand perception and freight. Fewer, denser cartons mean more pieces per 40HQ. Ask your supplier for a loading plan in both compressed and standard packing before you commit to pack counts.
4. Sample like you mean it
Order samples with your final print and carton design, not generic samples. Check absorbency, rewet, fit and packaging durability. Run a small trial batch before the first container — this is where most issues surface.
5. Agree on QC and documentation
Confirm the inspection points, batch records and certificates your market needs. If you sell into the EU or U.S., align on applicable compliance requirements early — retrofitting compliance after launch is expensive.
6. Do the freight math
For bulky products, container efficiency decides whether a private label brand can win on price. A 40HQ with compressed packing can carry 737,500 baby diaper pieces versus 350,000–420,000 standard — a difference that shows up directly in your unit economics.
Private label done right is a compounding advantage: your brand, your spec, your cost structure. The groundwork above takes weeks, not months — and it is exactly the conversation we start every OEM project with.