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Builders Bag FIBC Bulk Bag Supplier India | India Pack

The standard four-loop FIBC for construction aggregate, rubble, and demolition waste — forklift and telehandler compatible, available in single-trip and multi-trip builds.

Builders Bag — Sourced From Audited Indian Factories

The standard four-loop FIBC for construction aggregates, rubble, and demolition waste — forklift and telehandler compatible, available in single-trip and multi-trip builds.

Request a Quote Send Your Specifications

Overview

The builders bag — variously called a dumpy bag, bulk bag, skip bag, ton bag, jumbo bag, aggregate bag, or 1-tonne bag — is a four-loop FIBC designed to hold and lift approximately one tonne of construction material. It is the single highest-volume FIBC category on construction and civil engineering sites globally, used for incoming deliveries of sand, gravel, aggregate, hardcore, and scalpings, and for outgoing removal of rubble, topsoil, and demolition waste. Buyers range from distributors supplying builders merchants to procurement managers at major civil contractors placing container-load orders for specific project specifications.

The procurement decision for builders bags comes down to two measurable variables: price per tonne of rated capacity and cycle life. A bag that fails its rated SWL on the second lift is not a cheaper bag — it is a liability. Experienced purchasers therefore ask for the SWL test certification (not just a printed number on the bag), the safety factor the factory built to, the loop attachment method (sewn-in vs. formed from body fabric), and whether the woven body is coated or plain. Coated fabric resists moisture absorption from wet aggregates; uncoated is lighter and cheaper but can weaken when stored outdoors for extended periods. Single-trip and multi-trip designations carry different construction requirements — mixing them up is the most common specification error on high-volume orders.

India is the dominant source of woven-PP FIBC globally, and the builders bag is among the highest-volume product lines at Indian FIBC factories. India Pack has sourced flexible packaging for ten years, supplying 25M+ bags through a network of 10+ audited FIBC manufacturers. On builders bags specifically, India Pack runs specification verification against the purchase order, oversees production quality, and manages export documentation — so the buyer receives a confirmed-specs, FOB or CIF-priced container rather than a factory-direct gamble on quality consistency.

Which Type Do You Need?

Your requirement Recommended
Sand, gravel, aggregate, rubble, topsoil — standard site use Builders Bag (this page)
Fine or hazardous powders needing sealed filling and discharge Spout Top Discharge Spout Bag
Bulk aggregate or granular product requiring a secure top closure between fills Top Flap Bag
Landscaping, topsoil, or garden product for retail/trade distribution Garden Bag
Heavy bulk storage in a depot or yard without repeated lifting cycles Depot Bag

Variants

Standard 1-Tonne (Single-Trip)

Circular or U-panel PP woven body, plain or coated, open top, four loops, flat bottom. Built for one lift cycle at rated SWL.

Best for: High-volume site deliveries and waste removal where bags are not recovered.

Key spec: SWL 1000 kg · Safety Factor 5:1 GSM 125-130

Standard 1-Tonne (Multi-Trip)

Heavier construction, reinforced loop attachment, higher safety factor — rated for multiple lift cycles at full SWL.

Best for: Contractors or hire-and-return schemes where bags are recovered and reused.

Key spec: SWL 1000 kg · Safety Factor 6:1 · GSM 150 and above

Heavy-Duty 1.5-Tonne

Uprated body and loops for denser aggregates or over-fill risk. Coated fabric standard for wet-material applications.

Best for: Dense aggregate, wet sand, concrete scalpings.

Key spec: SWL 1500 kg · Safety Factor 5:1 · GSM 160-170

2-Tonne

Larger body and higher-rated loops for maximum bulk capacity per lift. Available with spout or flat bottom discharge.

Best for: Civil engineering groundworks, bulk aggregate supply, quarry dispatch.

Key spec: SWL 2000 kg · Safety Factor 5:1 · GSM 200-240

With Liner

Any of the above constructions fitted with a PE film liner — retains fine particles and reduces moisture ingress on site.

Best for: Fine sand, granular fill, landscaping bark, any material where fines loss or moisture is a concern.

Key spec: Liner 60 micron and above  · Liner type- Loosely inserted or tabbed or glued

Technical Specifications

Parameter Specification
Safe Working Load (SWL)500 Kgs to 2000 kgs
Safety Factor5:1 or 6:1
Body fabricPP woven (circular or U-panel or 4-panel)
GSM125 GSM to 240 GSM
Dimensions (L × W × H)Custom to order
Bottom typeFlat bottom or discharge spout — specify on order
Top closureOpen top or top flap — specify on order
ConstructionCircular or 4/U-panel — specify on order
Lift loops4 (corner loops, polypropylene webbing)
Loop free heightMostly 30cm
LinerPE liner ; micron - specify on order
CoatingPlain or PE coated — specify on order
PrintingUp to 4-colour flexographic; UV-stable inks available
Fabric colourNatural PP (off-white) standard; other colours to order based on their pantone code
Cycle lifeSingle-trip or multi-trip — specify on order

Industries & Applications

Construction & Civil Engineering

What's packed: Sand, gravel, aggregate, hardcore, scalpings, ballast.

Typical requirement: High-volume single-trip bags at a verified SWL for forklift and telehandler lifts on live sites. Coated body preferred where bags sit on wet ground before use. Factories supplying this sector hold ISO 21898 [VERIFY per factory].

Demolition & Waste Management

What's packed: Broken masonry, rubble, mixed demolition waste, excavation spoil.

Typical requirement: Bags rated to handle irregular, sharp-edged loads. Loop-attachment strength is the primary failure point on rubble — buyers should specify and verify test certification, not just the printed SWL rating.

Landscaping

What's packed: Topsoil, compost, bark, decorative aggregate, sharp sand.

Typical requirement: Standard 1-tonne open-top, often sold on as a filled product to trade or retail customers. UV-stable printing for point-of-sale branding. 

Quarrying & Aggregates

What's packed: Crushed stone, limestone, granite chippings, quartz aggregate.

Typical requirement: 1.5-tonne and 2-tonne builds for dense, high-weight materials. Consistent bag-to-bag SWL across a full container order is the key purchasing criterion — factory production oversight matters here.

Customisation Options

Structural
  • Construction of PP woven body
  • Loop length and width to suit forklift or telehandler tine clearance
  • Flat bottom or discharge spout
  • SWL rating: 1-tonne, 1.5-tonne, or 2-tonne
  • Single-trip or multi-trip construction
  • Coated or uncoated fabric
Functional
  • Open top or top flap closure (see Top Flap Bag)
  • PE film liner — fixed or removable, micron to spec
  • Baffles for improved fill shape and stack stability (see Bespoke Bag for complex geometries)
  • Fill spout for dusty or fine materials
Compliance
  • ISO 21898 — held at factory level; not an India Pack certification [VERIFY per factory]
  • SWL test certification documentation — available from supplying factory on request [VERIFY per factory]
Branding
  • Up to [FILL]-colour flexographic printing, one or more panels
  • UV-stable inks for outdoor/site storage
  • Custom fabric colour (subject to MOQ)
  • Custom woven label or sewn-in tag

Tell Us What You're Packing

Send your SWL, bag dimensions, material type, and approximate annual volume and we'll return sourced pricing from our audited factory network.

Request a Quote Send Your Specifications

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Why source through India Pack

Full transparency — you always know your manufacturer

Once commercials are finalised, we disclose the details of the manufacturing facility producing your order. If you prefer a multi-facility portfolio strategy, we share the details of each qualified facility we've matched to your specifications.

The purchase order is raised directly in the name of the manufacturing facility — not India Pack — so there's no ambiguity about who is producing your goods. On request, we'll also arrange a direct introduction with a key contact at the facility.

We don't hide the factory behind us. You see exactly who you're buying from, and we earn our place by managing the relationship, the quality, and the documentation around it — not by controlling access to it.

Scale that works in your favour

We don't represent one buyer to one factory. India Pack brings a portfolio of buyers to a network of manufacturing facilities, and sitting in that position is what gives every buyer we work with an advantage they couldn't get alone.

It shows up first in capacity. At select facilities we hold dedicated production lines; across the rest of the network, the volume we place earns us priority. For you, that means your order isn't queued behind a factory's larger customers, and a busy season doesn't push your delivery date out.

It shows up in price. The combined volume we place gives us negotiating weight that most individual buyers can't match, so the quote you receive is competitive on a like-for-like specification — one you can hold directly against your existing suppliers and judge on the same terms.

It shows up most when something goes wrong. A factory settling a claim isn't weighing one order against the cost of fixing it; it's weighing the relationship with everything we bring them. That's the difference between a claim that drags and a claim that gets settled.

And because we're in these facilities every day, we know first-hand which one excels at a given specification, which to avoid for a particular material, and where quality actually holds. It's why we can match your bag to the right factory the first time.

The right bag, at the right weight — and the right price, every time you reorder

A bulk bag's cost is driven largely by how much fabric goes into it. Over-specify the weight and you pay for material you don't need; under-specify it and the bag fails in handling. We engineer each bag to the optimum fabric weight for your actual load and handling conditions — strong enough to perform reliably, without the cost of over-built material you'll never use.

We benchmark that specification across our facility network so your first quote is competitive — sharp because the bag is specified correctly, not because it's cut short. And we keep benchmarking on every reorder. Raw material prices move, and so should your price — down as well as up. You won't find a low opening quote that quietly drifts upward once the relationship is established. The price stays honest because we keep checking it against the market, order after order.

Transparent pricing, no separate fees

You don't pay India Pack a separate service fee or commission. We act as your level-one procurement office in India, and our pricing is all-inclusive — so you can compare our quote directly against your existing suppliers, like for like. What you save is in the price, not in a separate line item.

Order flexibility — build a container on your terms

You don't have to place a full-container order all at once, or commit to a single bag specification. Within an order you can mix specifications, and we select facilities capable of producing the range you need — so a single container can carry the mix your operation actually requires.

You can also build a container over time. Place orders as your requirement firms up, and we'll keep the container open — with the price of each order locked at the point you place it — until the load is complete. You're not forced to forecast a full container in one go or accept a price that moves while you wait.

Two practical limits keep this clean: we hold a container open for up to 20-25 days from your first order, and dispatch lead times begin once the container composition is final and the load is full. For procurement teams used to committing to full single-spec containers upfront, that flexibility removes both the forecasting pressure and the risk of over-ordering.

Factory access without factory risk

India Pack maintains active sourcing relationships with 10+ FIBC manufacturers across India. When a factory hits a capacity constraint or a quality issue, we give you the option to switch production without interrupting your supply. You don't restart vendor qualification from scratch — we carry that burden for you.

Documentation managed end to end

We manage the complete export documentation set — commercial invoice, packing list, certificate of analysis, SWL test certificates, packing inspection report, and any third-party inspection reports — so your import clearance proceeds without delays or amendment requests. We have supported buyers in Europe, USA, Canada, Middle East, Australia, and New Zealand across food processing, chemicals, construction and mineral trading.

Send us your specs and we'll come back with supplier options and a quote. Don't have them finalised? Tell us what you're packing and where it's going — we'll help you build the right specification. Distributors or end-users, you bring the requirement and we handle the supply.

Send Your Specifications

Frequently Asked Questions

We are a sourcing partner, not a factory. We connect you to a network of audited Indian manufacturers, match each order to the right plant, and manage specification, quality, and shipment on the ground.

Yes. For custom branding, we review your artwork files for resolution, print alignment, and fit to the bag geometry. If you don't have technical drawings or layouts ready, our team drafts the bag specification sheets and print-ready layouts for your approval.

We treat your designs, artwork, and intellectual property as confidential. Confidentiality terms are enforced down the supply chain with our manufacturing partners in India.

We provide free prototype samples of standard or readily available fabric specifications for your evaluation and physical testing, shipped through international couriers such as DHL, FedEx, UPS, DPD, or Interparcel.

We provide up to 2 samples completely free of cost, with courier included. Beyond that, additional samples remain free of charge and you cover only the courier.

Standard manufacturing lead time for an initial order is 5–8 weeks from final artwork and specification sign-off, with advance payment or LC opening. Repeat orders with identical specifications often run faster, as plants pre-schedule production blocks and keep printing plates ready for mounting.

Bags are hydraulically compressed, wrapped in moisture-resistant, UV-stabilised PP sheets, and bound with high-tensile bands for long transit. Each bale carries multi-sided, waterproof labels showing your PO number, bag specifications, quantities, and weights.

Average full-container transit times are 35–45 days to Europe (via the Cape), 30–40 days to the US East Coast, 35– 45 days to the US West Coast and New Zealand, and 45–55 days to Latin America. Actual schedules vary with seasonal carrier routing and whether the load is FCL or LCL. We keep you posted about the status of the shipment

Air blowing and suction remove loose PP fragments and dust using filtered, oil-free compressed air and vacuum extraction. Light-table inspection checks every seam against backlighting to catch dropped stitches, pinholes, or weave defects. if specified we run Bags though Metal detection to confirm no embedded needle fragments or metallic tools remain.

In case of a claim we are your representative to the company, We review production records alongside your photos or videos to identify the root cause. If a manufacturing defect is verified, we issue a credit or replacement and update factory protocols to prevent recurrence.

Our facilities run in-house load tests on every production run. Certified test reports and label proofs are sent to you for verification and approval before dispatch. We share pre production bag photos to confirm that bags are being mass produced as per your specification. This would include Safety Label, Print artwork, Pre production Print Panel, Printing, Bag dimensions, accesories

We provide high-strength overlock and safety stitching, along with double-needle stitching options based on your application and handling needs. Because stitching directly dictates the bag's Safe Working Load (SWL), every seam meets industrial safety standards.

Yes, we supply both J-fold and Butterfly-fold edge construction depending on your facility's filling infrastructure.

We offer single, double, and triple sift-proofing, using high-density filler cords and non-woven felt layers sewn directly into the seams to plug needle holes. For ultra-fine or hygroscopic materials, we can integrate heavy-duty polyethylene (PE) internal liners for dust-proof and moisture-proof security.

Yes, we source food-grade and pharmaceutical-grade big bags produced in BRCGS-certified cleanroom facilities that meet US FDA and European standards. These bags undergo pest control, metal detection, and hygiene audits to support contamination control for sensitive ingredients.

Type A bags provide no static protection and suit non-flammable materials. Type B bags prevent propagating brush discharges but are not rated for flammable solvent or gas atmospheres. Type C (conductive) bags use interconnected conductive threads and must be grounded during filling and discharge. Type D (dissipative) bags safely release charge into the air without a ground connection.

Yes, we offer full design flexibility including duffel tops for easy manual filling, open tops, and conical discharge spouts for sticky or sluggish materials. Our technical team matches the bag's openings to your filling and discharging equipment.

Our standard loop colours are white, blue, and black. We can provide other colours free of charge if currently in stock. For custom, Pantone-specific colours, a minimum order quantity (MOQ) of 2 MT applies.

A B-Lock (or cord lock) is a heavy-duty plastic or metal locking device attached to the tie-strings of a bag's spout, usually the discharge spout. It lets operators lock the spout closed and adjust or release it during emptying without untying tight knots.

A Hose Slider is a closure mechanism that regulates or completely stops material flow through the discharge spout. It works by sliding a rigid bar or collar over the spout to pinch it shut, giving operators precise control when partially emptying a bag.

We supply to your required safety factor. Industry standard is 5:1 for single-trip bags and 6:1 for multi-trip bags, with UN-certified bags for dangerous goods built to a 6:1 minimum.

Single-trip bags are designed for one filling and discharge cycle and are the most cost-efficient choice for one-way shipments. Multi-trip bags use heavier GSM fabric and a higher safety factor for repeated reuse. We match the construction to how the bag will be used.

Yes. We add UV stabilisers to the fabric for bags stored or handled outdoors, rated to 200 KLY to 350 KLY.

Baffle bags have internal fabric panels at the corners that hold the bag's square shape when filled, so it doesn't bulge. That lets you load more product per pallet and stack more stably in containers and warehouses. See our Baffle FIBC page for full specifications.

Coated (laminated) fabric adds a moisture and sift barrier and suits fine or hygroscopic powders. Uncoated fabric allows the bag to breathe, which suits products that need ventilation such as some agricultural goods. We recommend based on your product.

We offer loose, form-fit, and tubular polyethylene liners, EVOH liners, plus aluminium-foil liners for moisture- or oxygen-sensitive products. The liner type depends on your product's barrier needs.

The most common sizes are A4 (full-page documents and manifests) and A5 (smaller labels and barcodes). Custom sizes can also be made. Two closure options are available:
  • Standard Flap: a top or side opening with an overlapping flap to keep out dust.
  • Ziplock (resealable): maximum protection against rain, moisture, and grime.

The minimum order quantity for coloured fabric is 3 MT. A specific Pantone colour number is always required for production.

We produce woven PP fabric across a range of weights to match your strength and cost needs, from 55 GSM to 240 GSM additional coating 30 gsm

Yes. We source BOPP-laminated woven bags with high-definition print for consumer-facing and retail-grade packaging, giving sharp graphics and a moisture barrier in one structure. MOQ's apply