Girl’s Underwear OEM | Girls Panties & Bikinis Wholesale Supplier

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Girls’ Underwear OEM | Wholesale Girls’ Underwear Supplier China

Unitex supplies girls’ briefs, bikinis, boy-shorts and seamless styles to retailers and brands, produced at audited partner factories in the Xiamen–Quanzhou–Jinjiang knitwear cluster in Fujian. Those partner factories hold amfori BSCI and OEKO-TEX Standard 100 certification, and every order is tested to the requirement set its destination market applies — CPSIA, 16 CFR 1610 and 16 CFR 1501 for the United States, Regulation (EU) 2023/988 (GPSR) and EN 14682 for the European Union. Xiamen Unitex Trade Co., Ltd. is a sourcing and trading company: we develop the specification, place production with partner factories, control quality and prepare export documents, and we do not own manufacturing facilities. Unitex has been in the trade since 2009, was incorporated in Xiamen in 2013, and the partner network carries capacity of around 600,000 pieces a month.

Four cuts, and why each one is a separate block

The cut list on a girls’ range looks like a styling choice. It is a pattern decision, and each cut carries its own block and measurement chart rather than sharing one base. Treating them as colourways of a single block is what produces a range where two styles fit the same child differently.

Cut	Coverage and rise	Usual fabric	Construction note	Where it sells
Brief	Full seat, mid rise, higher leg line	1×1 rib or single jersey, 160–190 g/m²	Leg binding tension has to be graded per band, not scaled	School and value multipacks
Bikini	Lower rise, higher-cut leg	Single jersey with 5–8% elastane	Narrower side seam leaves less room for a print repeat	Mid-tier fashion ranges
Boy-short	Short leg, fuller seat	Single jersey or rib	Leg opening takes the strain; flatlock rather than overlock at the hem	Active and older age bands
Seamless	Bonded or knitted-in, no side seam	Dedicated bonding-grade knit	Print area is limited by the bond line and by machine format	Uniform and no-show demand

Seamless is a different supply chain, not a different stitch

Seamless answers one specific requirement: a girl wearing a school uniform wants a line that does not show. That requirement is bought at a price, and the price is paid in three places. The fabric is not the same fabric — bonding needs a knit engineered for it, so a seamless style cannot borrow the jersey already approved for the cut-and-sewn range. The print area shrinks, because artwork cannot cross a bond line and the machine format fixes how much surface is available. And size adjustment is more expensive than on a cut-and-sewn block, because the body is knitted to a setting rather than cut from a marker.

Two consequences for the purchase order. A seamless style carries its own minimum, set by the machine and the colour, so ask for it per style rather than assuming the cut-and-sewn minimum applies. And bond durability has to be specified as a post-wash property, not as a bench measurement — a bond that holds when new and lifts after five home launderings is the failure mode this construction actually has.

The tested article includes the trim

On a girls’ style the safety file covers components and not only cloth: waist elastic, bow and appliqué, fasteners and decorative trim are separate approval items. Three rules decide most of it.

Small parts, under three. Products intended for children under three years may not contain small parts or liberate them after use and abuse testing, under 16 CFR 1501. On a 2–16 size range that means the smallest sizes are a different product from a compliance point of view: a stitched bow or a bead that is acceptable on a size 10 brief is not acceptable on the size 2 in the same range. Either the trim is secured to the standard for the smallest size in the range, or the range splits.

The print decides the lead-testing scope. Total lead is capped at 100 ppm in any accessible component part, and at 90 ppm in paint or similar surface coatings under 16 CFR 1303. CPSC then determined at 16 CFR 1500.91(d)(7) that textiles are not required to be tested for total lead — excluding textiles carrying treatments or applications that do not consist entirely of dyes. So a piece-dyed brief sits outside the obligation, while a plastisol screen print, heat-transfer vinyl, foil or metallic thread brings the piece back in. Print approval and safety approval are therefore the same conversation, and the colour count is a compliance variable as well as a cost one.

The chemical class changes at three years. OEKO-TEX Standard 100 Class I covers products for babies and children up to three years and carries the strictest limits; Class II covers articles with direct skin contact. A single 2–16 range therefore straddles two classes, and the certificate has to name the class it was issued for. Standard 100 certificates are issued for one year, so the expiry date matters as much as the class.

Where the range includes a boy-short or a sleep short with a waist drawstring, EN 14682 applies: it covers children’s clothing up to 14 years, prohibits functional cords in the head and neck zone for the younger band, and caps the free end of a waist drawstring at 14 cm, measured with the garment opened to its smallest size. The most common girls’ underwear design that trips this is a decorative side tie, not a functional cord.

Component	Rule that catches it	What to fix in the spec
Body fabric and print	16 CFR 1500.91(d)(7) scope; OEKO-TEX class	Print method, colour count, and the class the certificate names
Waist elastic	OEKO-TEX class; skin-contact nickel where hardware is used	Elastic width, wrapped or exposed, and its own test paper
Bow, appliqué, bead	16 CFR 1501 small parts, under three	Attachment method and the smallest size the design is cleared for
Side tie or waist cord	EN 14682, up to 14 years	Free-end length, and whether it is decorative or functional
Care and fibre label	Regulation (EU) 1007/2011; FTC textile rules; 16 CFR 423	Fibre percentages by weight, and care instructions matching the tested wash

Grading: not a scaled-down women’s block

A girls’ block cannot be produced by shrinking a women’s block. The proportions that change first are the rise, the seat curve and the leg opening, and they change at different rates across the band. We grade a 2–16 range in bands rather than as a single continuous scale, because the point where a child stops being dressed by a parent and starts choosing the garment is also the point where the cut and the print have to change.

What this means in practice: fit trials on at least two sizes per band rather than one representative size, a gusset and lining specified separately from the body fabric, and a decision on the number of bands taken before sampling. Re-grading after a sample round restarts the round, which is the single most common reason a girls’ programme slips a season.

Wash and fastness: the claim you can defend

Dimensional change is measured under ISO 6330, and care symbols follow ISO 3758. What the standard does not do is set a pass limit — the tolerance is contractual, and for knitted cotton a common figure is within about 3% after three home launderings at 40 °C. That figure is industry practice rather than a legal limit, so it belongs in the purchase order as a number both sides accepted, not in a marketing claim as a guarantee.

Colour fastness on a printed girls’ range is measured on the printed panel, not on the base cloth. The two can differ by a full grade, and the base-cloth result is the one a supplier will quote if the question is not specific. Ask for fastness to washing, to rubbing and to perspiration on the panel, and set the requirement against the lightest body colour in the range, because that is where a bleeding print shows first.

Pack format is a cost line, not a detail

Girls’ underwear is bought in multipacks more often than as singles, and the pack format changes labour, compliance exposure and the retail price in ways that are easy to miss at quotation stage. A two-piece polybag pack, a three-piece flat-fold with a printed belly band and a single piece on a hanger are three different operations. The packaging itself is now a regulatory subject in the EU as well: the Packaging and Packaging Waste Regulation sets requirements that reach the polybag and the carton, not only the product inside them — our PPWR guide covers what that means for an underwear pack.

Pack format	What it adds	What to settle before quoting
Single, polybag	Lowest labour; size sticker	Bag material and whether a recycled-content claim is being made
Two- or three-piece multipack	Bagging labour, size and colour sticker, mixed-size option	Whether sizes can be mixed in one pack, and how the pack barcode is built
Flat-fold with belly band	Printing, folding jig, band application	Band artwork approval lead time, and the fibre and care text on the band
Hanger	Hanger cost, hook specification, carton count drops	Hanger type and whether the customer supplies them

Print approval and safety approval are two clocks

On a girls’ range the artwork and the safety file run in parallel and neither waits for the other, which is why a late safety question is so expensive: it restarts the print. The sequence that avoids it is to fix the print method, the colour count and the trim attachment in the brief, approve the print strike-off and the trim test papers in the same review, and only then release the pre-production sample. Sampling is 7–10 days on stock fabric and 12–18 days for a full development round; the pre-production sample takes 5–7 days after approval; bulk runs 45–60 days for a new order and 30–40 on a repeat. Lab testing starts only when the sample is final, so it sits on top of production rather than beside it.

Where this page stops and the guide starts

This page covers what can be ordered, how the print and trim scope is decided and how the order is scheduled. The design reasoning — age bands, print scope, gusset and lining, fabric weight by climate — sits in the guide: Girls’ underwear manufacturing: sizes, prints and what to specify →. If you are buying girls’ and boys’ ranges together, the OEM comparison is here: OEM boys’ and girls’ underwear: what changes under OEM →.

For the branding and minimum-order side of a private label range, see private label underwear: branding, MOQ and what to specify →, and for fabric choice across cotton, modal and bamboo, the underwear fabric guide. Before a first order, work through the twelve checks in our supplier verification checklist. To start a specification, send us the cuts, size range and destination market.

Girls’ Underwear Specifications

Parameter	Details
Sizes	2–16 years, graded in bands; custom sizing available
Cuts	Brief, bikini, boy-short, seamless
Fabrics	100% cotton, cotton with 5–8% elastane, modal, bamboo viscose; bonding-grade knit for seamless
MOQ	3,600 pcs per style and colour. Seamless styles carry their own minimum, quoted per style
Capacity	~600,000 pcs/month across the partner network
Sampling	7–10 days on stock fabric; 12–18 days for full development; PPS 5–7 days
Bulk lead time	45–60 days for new orders; 30–40 days for repeats
Print service	Screen print, heat transfer, foil; colour count fixed at artwork stage
Inspection	AQL 2.5 to ISO 2859-1; third-party inspection available
Trade terms	FOB Xiamen; 30% deposit, 70% against copy of B/L; quotation valid 30 days

Last updated: 2026-11-03 · Xiamen Unitex Trade Co., Ltd. — OEM & ODM underwear sourcing partner

Unitex Underwear (Xiamen Unitex Trade Co., Ltd.) — OEM/ODM underwear sourcing and supply-chain partner in Xiamen, China; in the trade since 2009, incorporated in 2013. Based in the Xiamen–Quanzhou–Jinjiang knitwear cluster, Fujian Province, south-east China.