Film blowing · Printing · Bag making — in-house
ZANFENGNEW MATERIALSBuild a brief ↗

BAG FORMAT

Handle bags.
Start with the use.

Larger packs or multi-piece packs that need a carry handle.

Original concept visualization of handle bags containing a generic automotive component

Concept illustration only — not a measured product or load-rating demonstration.

What to discuss

Handle position, usable opening and the pack weight must be discussed together. A handle is not a load-rating claim.

  • Component dimensions in its packed arrangement
  • Units and total component weight per bag
  • Handle opening and handling method
  • Print area and any present outer carton
Common materials discussed
LDPE · LLDPE · PO (Polyolefin) · PP are discussed across projects; material structure and suitability for this bag format are confirmed per project.
Dimensions & thickness
Confirmed by project — no universal range is promised.
Print
Bring the artwork or reference for review.
Sampling
Available; scope, timing and costs agreed individually.
Build a brief for this format

Where this format can fit

Handled formats suit a packed assembly or multi-piece pack where the person filling or receiving the pack needs a deliberate carry point. The handle does not make the bag a shipping container or replace an outer carton.

Packaging risks to review

  • Handle attachment and bag mouth are separate features; both need review.
  • A loaded bag can concentrate stress at the handle, seams and film edges.
  • Sharp brackets or long projections can create a puncture path.
  • A printed handle area can reduce the usable print zone.

Questions to settle in the brief

  • Component dimensions in its packed arrangement
  • Units and total component weight per bag
  • Handle opening and handling method
  • Print area and any present outer carton

Sample checks before approval

A sample is useful only when it tests the real part and the intended handling method. Record what passed, what failed and what remains open.

  1. Fill a sample with the real component and intended quantity.
  2. Lift and lower the pack repeatedly using the agreed handling method.
  3. Check clearance at the handle, mouth and seam.
  4. Record any deformation instead of treating one lift as a load rating.

Material, thickness and opening

LDPE, LLDPE, PO (polyolefin) and PP are discussed across projects. Their suitability for this format, the film structure and the usable opening are confirmed per project. Thickness, dimensions, handle construction and load behavior are confirmed per project. No universal load rating is implied.

Print and identification

Bring the artwork or a reference. Keep part number, quantity, batch or handling text in a layout that remains visible after filling. Print feasibility, color and approval method need factory review.

What remains a project decision

Dimensions, thickness, closure, print and performance are not fixed by the format name. Sampling is available; scope, timing and cost are agreed individually. Production timing and pricing remain subject to quotation.

How to brief this format

Start with the packed part: its largest outline, number of pieces and any edge or surface that must stay clear. Say how the pack is filled, closed, carried and opened. If a current bag is used, send its measured dimensions and identify what should stay the same; do not send only a product name.

For print, separate the information that must remain readable from decoration. Part number, quantity, handling notes and barcodes can have different space and contrast needs. At sample stage, check that the opening and closure still work after the label is applied, then keep the approved sample reference with the artwork version.

What a concept image cannot show

The illustration on this page explains the format; it is not a measured product, a material sample or a load test. Film thickness, seal condition and opening behavior need a physical sample with the real component. A successful fit does not establish transit protection, barrier performance or a production release.

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