Multiwall Paper Bags
Multi-ply kraft paper sacks built in three or four walls and supplied as sewn open mouth, pasted block bottom or pasted valve — with or without a poly ply for moisture.
A multiwall bag carries its strength in the number of paper walls rather than in a woven fabric. Each ply is its own tube of kraft, and the plies slip slightly against one another when the bag is dropped. That movement is what absorbs the shock, instead of passing it all into a single wall.
Three plies is the common build; four is specified for heavier fills, longer supply chains and anything that will be handled more than once between your plant and the end user. Where the product is hygroscopic, a poly ply or a free film liner goes in between the papers rather than replacing one of them.
All three closure styles run on the same plant — sewn open mouth with a bottom stitch, pasted block bottom, and pasted valve for automatic filling. Which one you want is decided by how you fill, not by what you are filling.
Typical contents
Construction — 4 plies
Inner ply first. Hover a layer to see the role it plays in the bag wall.
Built to take the load.
- 3-ply and 4-ply builds — walls added to match the fill weight
- Plies slip against each other to absorb drop shock
- Sewn open mouth, pasted block bottom or pasted valve
- Poly ply or free film liner for hygroscopic products
- Excellent print surface — kraft takes flexo cleanly
- Fully recyclable paper construction
- Made to customer requirement, including step-cut and pinched mouths
Specify it your way.
Sizes, colours, printing and styles — developed to your exact requirement.
Sizes
Ply count, tube width and gusset specified to your fill weight
Colours
Natural brown kraft or bleached white kraft
Printing
Up to 6-colour flexo or rotogravure; reverse-printed so the ink is sealed inside the laminate
Liners
Optional poly ply or free HM / LDPE film liner
Styles available
The technical sheet.
Figures on request. Sizes, GSM, micron, gusset and load ratings are set per order to match your product, fill weight and handling.
Request a spec sheetExplore the range.
Central Sealed (C.S.)
Tube-formed paper laminated sacks closed with a single centre seam — consistent width for automated filling.
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L-Type Stitched
Flat-cut paper laminated sacks with a continuous side-and-bottom stitch — the workhorse for hand and semi-auto filling.
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Box-Type / Block Bottom
Gusseted paper laminated bags with a pasted flat bottom — they stand unaided and cube out a pallet properly.
View rangeReady to spec your multiwall paper bags?
Share your product, fill weight and quantities — we'll match the construction, print and finish, and send a quote.