Construction & Dimensions
Bring your bag dimensions, desired fill weight, and current construction into the discussion. Let’s review what the package needs to do.
Discuss your requirements ↗Where our family’s packaging story began
Multiwall Paper Bags
Food Safe. Consumer High Graphic Printing.
Consistent Quality.
Family roots in packaging manufacturing since 1924. Let’s bring that experience to your product, filling process, and packaging presentation.
Generations of packaging experience. Focused on your next bag.
Start with the right configurationYour product inside.
Your product inside.
Your identity outside.
A paper bag specification needs to account for the product, the process, and the way your customer receives it.
Multiwall bag stylesMore formats.
More formats.
A closer fit for your process.
Our sister company Bancroft Bag offers these multiwall constructions. Bring your product and filling requirements to our team to discuss the right format.
| Bag style | Construction at a glance | Learn more |
|---|---|---|
| Sewn Open Mouth | Sewn bag ends; the filling end is closed after packing. Easy-open pull-strip options can be discussed. | Bancroft details ↗ |
| Self Opening Square | Side gussets and a square pasted bottom support an upright bag format for filling and presentation. | Bancroft details ↗ |
| Pinch Bottom Open Mouth | A pasted bottom with a pre-applied top adhesive that is reactivated during closing. Barrier and graphic requirements can be reviewed. | Bancroft details ↗ |
| Pasted Valve — PVSE / PVFC | Stepped-end and flush-cut formats with a filling valve, selected around the product and packing equipment. | Bancroft details ↗ |
| The Webb Bag | Combines a square-bottom format with pinch-style closing, bringing pallet shape and customer use into the design. | Bancroft details ↗ |
Define the detailsA bag that fits
A bag that fits
the way you work.
What does the product being filled require?
Material, target fill weight, product-contact requirements, containment, and storage conditions all belong in the specification.
Filling, Storage & Customer Use
How is the bag filled and closed? How is it palletized and stored? How does your customer open and use it?
Printing & Identification
Share artwork, colors, product information, identification requirements, and the presentation you want customers to see.
Quality & Supply Planning
Tell us about your approval process, order quantities, forecast, and delivery requirements. We’ll help work through the packaging and supply details.
Tell us what you pack and how it moves through your operation. We’ll help work through the requirements.
The Bulk-Pack differenceFour generations strong.
Four generations strong.
A shared commitment.
Our family has manufactured packaging materials since 1924, with sister company Bancroft Bag. Multiwall paper bags are part of that family story.
Our founding principles of Quality, Service, and Innovation are in our DNA.
Understand the application.
Start with the product and its requirements, then consider how the bag will be filled, handled, and used.
Make the presentation count.
Bring your graphics and identification needs into the conversation alongside the bag’s functional requirements.
Plan for consistent supply.
Share forecasts, approval requirements, and delivery needs so the packaging discussion supports your operation.
Bancroft Bag capabilitiesStructure and graphics.
Structure and graphics.
Considered together.
Beyond the bag format, Bancroft’s technical and graphics teams bring manufacturing knowledge to packaging development.
Knowledge for your operationBetter closures.
Better closures.
Better-informed decisions.
Bancroft’s resource library includes pinch-bottom temperature label instructions, closure inspection procedures, and a guide to pasted valve bags.
Common questionsClear specifications.
Clear specifications.
A practical next step.
Can you review the paper bag we use today?
Yes. Send your existing specification, photos, dimensions, fill weight, and the changes you want to explore. Include filling and closure details so the review covers your operation.
Can you help with food-contact requirements?
Share your intended product, contact conditions, and required documentation. Our team can review the requirements for the specific bag construction and application.
Can the bag feature our logo and graphics?
Yes. Share your artwork, required text, color expectations, and any print specifications. We can discuss the packaging presentation and the details needed for review.
What should we share about the filling line?
Include the filling equipment, bag opening and placement, closure method, target throughput, and any problems you are experiencing with the current bag.
How does the 1924 heritage connect to Bulk-Pack?
Our family’s packaging manufacturing roots date to 1924, with sister company Bancroft Bag. That family history is distinct from Bulk-Pack’s own company history.
What do you need to prepare a quote?
Your product, fill weight, dimensions, construction if known, printing requirements, order quantity, delivery location, and timing. This preview prepares an email; selected files must be attached manually in your email app.
Let’s talk packagingLet’s define your
Let’s define your
paper bag requirements.
Share your product, target fill weight, filling and closure method, printing needs, and quantity. Send an existing bag specification or artwork to start the review.