What is your minimum order per colour?

It depends on the base fabric and whether the shade is from our stock range or a custom lab dip. Stock shades start considerably lower than custom ones. Send the fabric and shade you have in mind and we will quote the exact minimum rather than a marketing number.

Can you match a colour I already sell?

Yes. Send a physical swatch, a hex value, or a colour reference from your existing supplier. We produce three lab dips against it and you approve the closest one on real fabric before bulk dyeing starts.

What does GSM actually change?

GSM is grams per square metre — the fabric's weight. Lower weights are lighter and more sheer with a fluid fall; higher weights are more opaque, warmer and hold their shape. Every base fabric in our range runs across a band rather than a single fixed weight, so you choose where in that band your product sits.

How long does production take?

Around 15 days from approved sample to finished goods for a standard order. Full sampling takes around 10 days and lab dips happen before that clock starts. If your deadline is tighter, tell us the date up front — we would rather say no than miss it.

What volume can you handle?

Our capacity is about 500,000 pieces per month, so repeat programmes and seasonal peaks do not push your next order down the queue. Small first orders are welcome too — capacity is there for when you scale.

Which countries do you ship to?

We currently export to the United States, Canada, the United Kingdom, the European Union, the United Arab Emirates, Oman, Australia, Singapore, Malaysia and Indonesia. If your market is not on that list, ask — it usually just means we have not shipped there yet, not that we cannot.

Do you supply roll goods or finished hijabs?

Both. We can ship fabric by the roll for your own cutting and sewing, or deliver finished pieces cut, hemmed, labelled and retail-packed under your brand.

Can you produce our labels and packaging?

Yes — woven labels, care labels, hang tags, thank-you cards, retail sleeves and rigid gift boxes are all finished in-house. Upload your logo in the customization studio to see it placed on each one.

Which certifications can you provide?

The mill holds OEKO-TEX Standard 100 and BSCI. Certification availability for a specific order still depends on the fabric and dye route, so tell us which standard your market requires and we will confirm in writing what we can supply for that order.

Hijab Size Chart and Fit: How Buyers Cut Returns

Most apparel returns come back because of fit. In the United States, online apparel returns run at 24.4 percent, and size and fit is the reason sellers name most often. Hijabs fail differently. There is no XS to XL — a hijab is a rectangle or a square, and the buyer's job is not to grade a size range but to specify a dimension: length, width, and how the knit behaves once it is worn. Get that specification wrong and the customer does not send back a size. They send back the product, and they do not reorder.

Why Hijab Sizing Is Not Apparel Sizing

Apparel sizing starts from a body measurement: a size chart converts a bust or waist reading into a garment size. Hijab sizing starts from a styling method. The same 180 by 70 cm piece can be a loose drape on one wearer and a tight wrap on another, and both are using the product correctly — which changes what a size chart is for.

It also changes what a buyer should ask for. The question is not "which body size is this for" but "will this piece cover the wearer and stay in place in the way she styles it". A page that never states its dimensions leaves the customer to guess, and at a low unit price a wrong guess often produces no recorded return at all: the customer keeps the piece, does not repurchase, and the error never appears in your data. That is why the dimension specification belongs in your sales documents, not only in the production file.

The Numbers That Belong in a Hijab Specification

Length sets the styling range. Width sets coverage and stability. Fabric weight, in GSM, decides how the piece drapes and how much it conceals. Format — rectangle, square or one-piece — decides who can wear it without pins. Only two of those four values appear in a typical product listing.

Published hijab size guides usually give length and width in centimetres; a common pattern is a 180 cm length offered in 50, 70 and 100 cm widths, or a 200 by 75 cm rectangle. What those guides rarely state is the measurement convention, the tolerance, or the styling each width is intended for. Those three omissions are where the wrong purchase happens.

Format	Typical dimensions	Styling it suits	Main sourcing risk
Narrow rectangle	170–180 × 50 cm	Slim layered looks, underscarf pairings	Coverage complaints, usually as a stand-alone piece
Standard rectangle	180–190 × 70 cm	Everyday pinned wraps and layered styles	Width too narrow for pin-free coverage
Wide rectangle	190–200 × 100 cm	Loose drape and fuller-coverage markets	Higher fabric consumption per piece, so cost rises
Square	110–120 × 110–120 cm	Single-layer square styling	Limited styling range; short for wrap styles
Instant / one-piece	Fixed, non-rectangular	Pin-free daily wear, travel and new wearers	Stretch recovery decides fit more than dimensions do

Why Width Fails More Often Than Length

Length is forgiving. A hijab 20 cm too long can be folded, tucked or wrapped differently, and most wearers adjust without noticing.

Width is not forgiving. If a piece is too narrow it will not reach across the chest and stay there, and no amount of styling skill fixes missing fabric. That is why pin-free formats live or die on width, and why a customer in a fuller-coverage market will reject a piece that a customer elsewhere finds generous.

So width belongs per style and per market rather than copied from last season's bestseller.

Where Weight, Stretch and Shrinkage Change the Answer

A dimension is only half the specification. The fabric decides what that dimension feels like on the head.

Weight and opacity interact with width. A light knit in the 60–100 GSM range is the most comfortable in heat, and also the one that shows the hairline if the fabric is pulled tight. A see-through complaint is usually the combination of a light weight, a light shade and a width that forces the fabric to stretch over the head.

Stretch changes the measurement itself: a dimension taken on a relaxed knit and the same dimension taken on a pulled one can differ by several centimetres, and both readings can be honest. Shrinkage changes the dimension after the sale. A knit that loses three to five percent in the first wash loses five to ten centimetres across a 200 cm length — enough to move a style from generous to short. If the specification does not say whether the dimension applies before or after washing, the buyer and the mill can both be right and the customer still receives the wrong piece.

What the Returns Data Shows

The commercial case is well documented. US retail returns reached an estimated $849.9 billion in 2025, or 15.8 percent of sales, with online purchases returning at 19.3 percent, per the National Retail Federation and Happy Returns. Apparel is the worst major category online at 24.4 percent, according to Coresight Research, where sellers named size and fit as the top return reason at 53 percent — ahead of colour at 16 percent and damage at 10 percent. McKinsey attributed roughly 70 percent of apparel returns to poor fit or style, and Narvar found 58 percent of shoppers order multiple sizes deliberately.

Two implications follow for hijab brands. The fix with real evidence behind it is information rather than persuasion: in a peer-reviewed test at Zalando published at KDD 2021, size advice reduced size-related returns by 3.8 percent across 720,000 customers per group. And the category is getting more crowded, which makes specification errors costlier. Grand View Research values the global Islamic clothing market at $93.8 billion in 2026, rising to $140.6 billion by 2033, with women accounting for 76.3 percent of 2025 revenue.

Factory Perspective: The Measurement Convention Decides the Order

On the production floor, a dimension without a convention is not a specification. Four things have to travel together: the number, the state of the fabric when it is measured, the tolerance, and the stage at which it is checked. The state of the fabric is the one buyers most often leave out — flat relaxed, flat stretched or measured on a mannequin will each give a different figure on the same knit. If a buyer writes "70 cm wide", the mill measures a relaxed panel, and the buyer's team later measures a stretched one, both are accurate and the dispute is unanswerable.

The tolerance turns a number into an agreement. On knitted hijab fabric, plus or minus one to two centimetres is a normal working tolerance, and it belongs in the spec sheet rather than in an email. Stretch knits are cut to land on the finished dimension once the fabric relaxes, so the cut panel and the finished piece are not the same measurement. Different shades also take up dye differently, so checking dimensions per colour on the first bulk order catches drift before it becomes a customer complaint.

The honest boundary is this: dimensional consistency is something the mill controls and can repeat. Opacity and coverage are a joint decision, because they depend on the chosen weight, the chosen shade and the width you have specified. A mill can tell you what a given weight and shade will do at a given width; it cannot make a light knit in a light shade behave like a heavy one.

What Buyers Should Confirm Before Ordering

The exact dimensions, in centimetres, for every style and market — length and width, not length alone.
The measurement convention: flat relaxed, flat stretched or worn, and whether it applies to the cut panel or the finished piece.
The tolerance you will accept, written into the spec sheet rather than agreed in email.
The inspection method: how the dimension will be checked, on how many pieces, and at which stage.
The weight and shade combination, tested for opacity in the lightest shade of the range rather than in black.
Shrinkage after the first wash, and whether the stated dimension applies before or after it.
How the product page will present the dimensions: centimetres and inches, plus which styling each width is intended for.

Frequently Asked Questions

What is a normal hijab size? There is no international standard the way there is for apparel. In practice a rectangle around 180 to 190 cm long and 70 cm wide is the most widely stocked starting point, with 100 cm widths for fuller coverage and squares or one-piece formats for pin-free styling.

Which size should a brand launch with? Start with one standard rectangle, then add a wide version for coverage-led markets and a pin-free format if your customer buys for daily convenience. A range built on a single width concentrates every fit complaint in one place.

How much tolerance is normal on a hijab dimension? On knitted fabric, roughly plus or minus one to two centimetres is a common working tolerance. What matters more than the number is recording it with the measurement convention, because a relaxed and a stretched knit read differently.

Does fabric weight affect the size I should order? Yes. A light knit covers less when pulled tight, so it often needs more width for the same coverage, while a heavier knit holds its shape. Our GSM guide covers how weight changes drape and opacity — hijabsourcing.com/blog/how-to-choose-hijab-fabric-gsm.

Why do customers say a hijab is see-through? Usually a combination rather than one cause: a light weight, a light shade, and a width that forces the fabric to stretch. Testing opacity in the lightest shade, at the width you intend to sell, catches it before production.

Specifying a Hijab Range

If you are planning a range and want the dimensions right before the fabric is cut, work backwards from how the wearer styles it. Our guide to wholesale hijab sizes explains how dimensions translate into fabric consumption per piece — hijabsourcing.com/blog/wholesale-hijab-sizes-fabric-consumption. The jersey comparison sets out how cotton, bamboo, liquid and premium jersey behave at the same weight — hijabsourcing.com/blog/cotton-bamboo-liquid-premium-jersey-hijab-comparison. For pin-free construction, the instant hijab guide covers formats that depend on stretch rather than pins — hijabsourcing.com/blog/instant-hijab-sourcing-fabric-gsm-sizes. And for retail-ready product, the packaging and labelling checklist covers what has to be right before it ships — hijabsourcing.com/blog/hijab-packaging-labels-retail-checklist.

Send your target dimensions, styling and market to susin@wennuanfactory.com and we will confirm what a given weight, shade and width will do before you order.

References

National Retail Federation and Happy Returns. "2025 Retail Returns Landscape." nrf.com/research/2025-retail-returns-landscape. Published 2025. Accessed 19 September 2026.

Coresight Research. "The True Cost of Apparel Returns: Alarming Return Rates Require Loss-Minimization Solutions." coresight.com/research/alarming-return-rates-require-loss-minimization-solutions-key-insights-free-infographic/. Published 2023. Accessed 19 September 2026.

McKinsey & Company. "Returning to order: improving returns management for apparel companies." mckinsey.com/industries/retail/our-insights/returning-to-order-improving-returns-management-for-apparel-companies. Published May 2021. Accessed 19 September 2026.

Narvar. "The State of Returns: What Today's Shoppers Expect." prnewswire.com/news-releases/narvar-study-finds-58-of-consumers-intentionally-buy-more-goods-than-they-intend-to-keep-301416568.html. Published 2021. Accessed 19 September 2026.

Nestler, Andrea, et al. "SizeFlags: Reducing Size and Fit Related Returns in Fashion E-Commerce." Proceedings of ACM SIGKDD (KDD) 2021. arxiv.org/abs/2106.03532. Accessed 19 September 2026.

Grand View Research. "Islamic Clothing Market Size, Share & Trends Analysis Report, 2026–2033." grandviewresearch.com/industry-analysis/islamic-clothing-market. Accessed 19 September 2026.

Islamic Design House. "Size Guide." us.islamicdesignhouse.com/pages/size-guide. Accessed 19 September 2026.