Cotton and Canvas Bag Inspection in India

How cotton and canvas bags are made in India

Cotton bags are India's largest non-leather bag export. Cotton handbags and shopping bags (HS 4202 22 20) were worth US$323.97 million in FY2025-26 (Department of Commerce, TradeStat, provisional). Most are simple shapes made in large runs: retail shoppers, promotional and event totes, grocery bags meant for reuse, and gift or merchandise bags.

The fabric decides most of the cost. Light promotional totes use thin cotton sheeting or drill; heavier shoppers use canvas, often described in ounces per square yard rather than GSM, so make sure both sides mean the same unit. The cloth comes from a mill or trader as greige (unbleached) or dyed, and the bag maker cuts it with straight knives or dies in stacks. Panels are joined with a plain or overlocked seam, sometimes with a French seam on better bags so no raw edge shows inside.

Handles are either self-fabric (a strip of the same cloth folded and stitched) or bought webbing. They are fixed inside the top hem with a box-cross stitch: a square with an X through it, which spreads the load across the fabric. Gussets are made by boxing the corners or by sewing in a separate strip. Prints are added by hand or machine screen printing with plastisol or water-based inks, by digital printing, or by heat transfer, usually on cut panels before the bag is sewn.

What we check on cotton and canvas bags

Check	How it is checked	What fails
Fabric weight (GSM)	A 100 cm² disc or measured square cut from a sacrificial bag and weighed on a calibrated scale; several bags if the lot came from more than one fabric roll	Fabric lighter than the specification beyond the agreed tolerance
Construction and count	Threads per inch counted with a pick glass against the approved fabric	Looser weave than the sample, even at the right weight (heavier sizing hides it)
Size and gusset	Height, width, gusset and handle drop measured flat with a tape	Out of tolerance, handles of different lengths on one bag
Handle load	Bag filled with the weight in your specification, lifted and held by the handles for the agreed time, then anchors examined	Handle tearing out, stitches breaking, fabric ripping around the box-cross
Handle anchors	Box-cross stitching present, handle tucked into the hem to the agreed depth	Single straight row instead of box-cross; handle end barely caught
Print	Position, size and colour against the artwork; tape pulled off the print; print stretched gently; dry white cloth rubbed across	Print lifting with the tape, cracking when stretched, colour on the cloth, misregistration
Cleanliness	Bags examined for oil marks, chalk lines, loose threads and stains	Machine oil spots, visible marking chalk, untrimmed threads
Claims and labels	Sewn-in or printed labels, hang tags and carton marks against the order; certificates for organic or recycled content	"Organic" on the label without a valid transaction certificate for the lot

Common cotton and canvas bag defects and how they are classed

Defect	Typical cause	Class
Organic or recycled claim with no certificate covering the goods	Certified fabric ordered for samples only; claim printed anyway	Critical (false claim)
Handle tears out under the test load	Light fabric, no box-cross, short tuck into the hem	Major
Fabric below the ordered GSM	Cheaper cloth bought for bulk	Major
Print peeling or cracking	Plastisol under-cured; ink not suited to the fabric	Major
Wrong size or gusset	Cutting template not updated	Major
Oil spot or chalk mark on a visible face	Poor machine maintenance, marking not removed	Major on retail bags, minor on promotional ones, as you specify
Untrimmed threads, slight print shift	Rushed finishing	Minor

Your defect list decides the final class. Greige cotton naturally shows small dark specks of seed husk; agree in writing whether these are acceptable.

Market rules and claims for cotton bags

Azo dyes (EU). Dyed cotton that touches the skin falls under REACH entry 43, which bans dyes releasing listed amines above 30 mg/kg. A tote carried on the shoulder is in prolonged contact with skin and clothing. See azo dyes.
Plastisol prints. Plastisol is PVC-based. REACH entry 51 limits four phthalates to 0.1% of the plasticised material, and in California DEHP is a Prop 65 listed chemical. Ask for phthalate-free ink and a test report. See REACH and Prop 65.
Organic and recycled claims. GOTS and the Organic Content Standard are certified along the supply chain, and each shipment needs a transaction certificate from the seller's certification body. A scope certificate alone does not cover a given lot. See OEKO-TEX and GOTS.
Environmental claims (US). The FTC Green Guides (16 CFR 260) expect claims such as "recycled" or "reusable" to be specific and supported. A general "eco-friendly" print with nothing behind it is a risk for the brand, not the factory.

An inspector checks certificates, labels and ink declarations against the goods and can pull and seal samples for an accredited lab; the chemical results come only from the lab.

Packing, transit and your purchase order

Cotton bags are usually folded flat in bundles of 10 or 25, tied or put into polybags, and packed tight in cartons. Two problems show up after shipping. First, damp: cotton packed straight from a humid finishing area can grow mould in a sealed polybag over a sea voyage. The inspector opens cartons from the bottom of stacks and looks and smells for it. Second, print blocking: plastisol prints packed face to face before they have fully cured can stick to the next bag. A sheet of paper between printed faces, or a longer cure, prevents it.

Put these in your purchase order:

Fabric type, GSM or ounce weight and tolerance, colour (greige, bleached or dyed with shade reference).
Finished size: height, width, gusset, handle length and width.
Handle construction (self-fabric or webbing), stitching (box-cross) and the load and time for the handle test.
Print method, ink type (water-based or phthalate-free plastisol), Pantone references and artwork position.
Seam type, inside finish and any lining or pocket.
Any organic or recycled claim and the certificate needed for each shipment.
Folding, bundle size, polybag and carton marks.

For bags made of jute or jute blends, see jute bag inspection. Book an inspection anywhere in India.

Sources

Frequently asked questions

How do you check fabric GSM on a finished bag?

The inspector cuts a measured piece, usually a 100 cm² disc, from a bag set aside as a destructive sample and weighs it on a calibrated scale. Weight per area is then compared with your specification. Agree the tolerance and the number of destructive samples beforehand.

What load should a tote handle carry in the test?

That is your choice, based on use. A grocery tote is often tested at a higher weight than a promotional bag. State the weight, how it is applied and for how long, and the inspector follows it and records what happens at the anchors.

Is a box-cross stitch really necessary on the handles?

On bags meant to carry weight, it is the common way to spread the load across more fabric. A single straight row concentrates the pull on one line of stitches. If your approved sample has box-cross stitching, bulk bags must have it too.

Can you confirm a bag is organic cotton?

Not by looking at it. We check that a valid GOTS or OCS transaction certificate covers the shipment, that the seller named on it is your supplier, and that quantities and product descriptions match. Fibre testing, if needed, is done by a lab.

Do you inspect jute bags too?

Yes. Jute and jute-cotton bags have their own page under jute and coir, because lamination, fibre shedding and moisture are the main risks there.

Know before it ships

Tell us the product, the factory's city and your ready date. We confirm the inspector, the notice time and the price before you book.

Book an inspection Check your city

Cotton and canvas bag inspection in India