Before ordering food packaging bags, define the product, dimensions, material, thickness, fill method, closure, temperatures, storage, distribution, format, printing, pack-out, and approval requirements. A bag qualified for one food product or process should not be assumed to perform the same way in another.

The checklist below is designed for buyers, production teams, quality personnel, and packaging manufacturers to use before samples or a quote are approved.

1. Identify the product and package role

Describe the food product and whether the bag is in direct contact, serves as a liner, protects an inner package, covers a container, or supports handling inside a larger system. Record the physical form, maximum weight and volume, shape, surface, oils or moisture, and temperature at filling.

Identify customer and market requirements for the material, additives, ink, cleanliness, traceability, certificates, or food-contact documentation. The customer and qualified personnel should confirm which requirements apply to the proposed construction and final use.

2. Measure the product and container

Measure the maximum width, depth, height, diameter, or irregular protrusions. When the bag lines a box, tray, tote, bin, or drum, measure the inside geometry and define the required cuff, overhang, tie-off, or folding allowance.

State the dimension convention clearly, especially for gussets. Include tolerances and a drawing or approved sample. An undersized bag can stretch or tear; an oversized bag can fold into the product, interfere with equipment, and add unnecessary film.

3. Select material and thickness together

Product weight is only one input. Consider sharp or abrasive features, fill height, drops, compression, freezing, handling, seal loads, and storage. Low-density, linear low-density, high-density, and special blends can behave differently even at the same nominal thickness.

Specify the material or approved construction, nominal thickness, tolerance, measurement method, sampling, and acceptance criteria. Use samples and production testing to confirm that the selected structure is neither underbuilt nor unnecessarily heavy.

4. Document temperature conditions

Provide the temperature at filling, cooling, refrigeration, freezing, storage, transportation, thawing, and use. Include duration and temperature cycling where relevant. Evaluate film flexibility or stiffness, puncture behavior, seals, printing, labels, and operator handling at the actual temperatures.

5. Describe filling and closure

State whether filling is manual or automated, the line speed, fill height, equipment contact points, and secondary container. Define how the opening must present and whether the bag is separated from a roll, bundle, stack, or other format.

Identify the closure: heat seal, tie, tape, clip, fold, or another method. For heat sealing, document equipment, temperature, dwell, pressure, seal width, cooling, contamination risk, and inspection. Test with realistic product particles, oils, or moisture near the seal area.

6. Map storage and distribution

Describe cartons, totes, pallets, stacking, compression, vibration, handling frequency, storage duration, transportation, and downstream opening. Include the worst routine event. A bag may perform during filling but fail after frozen products shift in a carton or after repeated pallet handling.

7. Choose the bag style and dispensing format

Specify flat or gusseted construction, seal location, roll or separated presentation, core or coreless format, perforations, vents, opening orientation, winding direction, and roll diameter. Each feature should support a specific production or handling need.

Test whether employees or equipment can separate and open the bag consistently and whether it seats correctly in the container. A dimensionally correct bag can still create downtime if the perforation, winding direction, or opening presentation is wrong.

8. Define printing and identification

Provide approved artwork, colors, random-repeat or registered placement, print side, orientation, lot or product codes, warnings, barcodes, and revision control. Locate information where it remains readable after filling, sealing, folding, cold storage, and placement in secondary packaging.

The customer should approve all required legal, ingredient, warning, or regulatory copy. Test barcodes and printed information on the filled package, not only on a flat proof.

9. Specify pack-out and receiving requirements

Define bags per roll or bundle, rolls or bundles per carton, carton count and weight, labels, lot identification, pallet quantity, stretch wrapping, and storage protection. Confirm that roll diameter, carton weight, and pallet presentation fit receiving and point-of-use handling.

10. Establish samples, approval, and reorder controls

Agree on the sample sequence and production trial. Record the product, material, thickness, dimensions, lot, line settings, temperatures, closure, storage, and results. Define acceptance for fit, loading time, tears, punctures, seals, leaks, dispensing, printing, and scrap.

Retain a controlled specification and approved sample. Include inspection, documentation, lot traceability, retention, and change-notification requirements so repeat orders remain consistent.

Copy-and-paste quote checklist

  • Food product, package role, maximum weight or volume, and fill temperature.
  • Product and container dimensions, bag dimensions if known, and required overhang or tie-off.
  • Current or requested material, thickness, tolerance, and applicable documentation.
  • Manual or automated filling, line speed, closure, seal settings, and equipment contact.
  • Refrigeration, freezing, storage duration, distribution, and handling conditions.
  • Flat or gusseted style, roll or separated format, perforations, vents, opening direction, and pack-out.
  • Artwork, colors, print placement, codes, barcode requirements, and approved revision.
  • Order quantity, release schedule, delivery location, samples, trial, and acceptance criteria.

Related reading: For guidance on evaluating the manufacturer behind the product, see Food Packaging: What Businesses Should Look for in a Reliable Packaging Partner.

Discuss your specification with Champion Plastics

Champion Plastics manufactures custom polyethylene bags and films for food and other production applications. Send the completed checklist, current sample, drawing, artwork, and trial needs. Call 800-526-1230 or request a quote online.