Industrial Zipper Bags
Custom PE Packaging Solutions
Custom PE Zipper Bags: Materials, Closures & Manufacturing Options
Flexon Pack manufactures custom PE zipper bags for apparel, retail packaging, e-commerce, documents, product kits and industrial organization. Available closures include press-to-close profiles and slider-assisted zippers, with transparent, frosted, colored and printed film options.
Standard PE zipper bags are available in virgin LDPE for clarity and flexibility. Soft-touch CPE, recycled-content PE and other formulations are separate options. Closure performance depends on the zipper or slider design, film thickness, dimensions, contents and handling.
Custom manufacturing options include widths from 30 to 750 mm, film thicknesses from 30 to 150 microns, press-to-close or slider closures, and Gravure printing in up to 8 colors. Existing samples and custom prototypes may be arranged before mass production.
- Material options Virgin LDPE / CPE / Custom Formulations
- Custom width 30–750 mm
- Film thickness 30–150 Microns
- Custom printing Gravure / Up to 8 Colors
- Plain production Typically 7–10 Days
- Custom production Typically 15–20 Days
- Sampling Existing Samples & Custom Prototypes
Available for specification-controlled projects where supported by the selected material, test scope and applicable documents. Food-contact, recycled-content and other compliance requirements must be verified against the document owner, tested sample, exact resin or blend, additives, colorant, printing ink, film thickness, zipper or slider construction, closing performance, intended use and finished order specification.
Why Buyers Choose Flexon for Custom Zipper Bags
Flexon supports distributors, manufacturers and brands with application-based material review, custom dimensions, zipper and slider options, printing, product-specific documentation and export packing for repeat B2B zipper bag programs.
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Materials Reviewed for the Intended Application
Virgin LDPE, LLDPE and HDPE may be considered according to the required clarity, flexibility, stiffness, sealing behavior and packing conditions. Qualified recycled-content PE and alternative-material constructions are handled as separate programs when technically suitable. Final material selection depends on the packed product, finished construction, intended use, destination market and required evidence.
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Defined Thickness and Production Inspection
Film extrusion and bag converting may be inspected for dimensions, thickness distribution, appearance, seals and closure construction. Available nominal thicknesses generally range from 30 to 150 microns, subject to the selected material, dimensions, zipper profile and finished bag construction. Permitted thickness limits, measurement locations, sampling plans and acceptance criteria are confirmed in the approved order specification.
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Custom Sizes, Zipper Styles and Printing
Buyers can specify custom widths generally ranging from 30 to 750 mm, subject to the material, thickness and bag construction. Available closure options may include press-to-close profiles, double-track closures and slider-assisted zipper systems. Film colors, warning text and branded artwork can also be reviewed. Gravure printing of up to eight colors may be available when technically suitable for the approved film, artwork, coverage and order quantity.
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Evidence Matched to the Finished Product
Supporting documents are reviewed according to their legal holder, material, tested sample, method, reporting limits, intended use and destination market. Depending on the specification and available evidence, a project file may include resin or component declarations, food-contact documents, PFAS-related declarations or testing, REACH or RoHS evidence and order-specific inspection records. A document for one resin, closure, sample or construction should not be applied automatically to another finished product.
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Samples and Order-Specific Production Planning
Existing samples or custom prototypes may be available before mass production, depending on the requested construction. Indicative production timing may be approximately 7–10 days for eligible plain products and 15–20 days for some custom orders after the required specification, artwork and sample approvals. Final sample availability, MOQ, production lead time and shipment schedule are confirmed in the written quotation for the individual product and order.
Zipper Closure Engineering
Press-to-Close
& Slider Options
PE zipper bags may use an integrated press-to-close profile or a slider-assisted closure. Slider designs improve opening convenience for larger apparel and retail bags, while press-to-close profiles offer a simpler construction.
Closure selection depends on bag dimensions, film thickness, packed-product weight, opening frequency and target appearance. Standard zipper bags are not hermetic, leak-proof, child-resistant or sterile unless the finished construction is separately tested.
Custom Zipper Bag Types and Recommended Uses
Compare Flexon’s standard clear, heavy-duty, anti-static and write-on zipper bag options. Each construction can be customized by dimensions, film thickness, zipper profile, color and printing according to the packed product and application requirements.
Heavy-Duty PE
60–120 Microns // Reinforced PE Film Higher Puncture and Handling Resistance Best for: hardware, industrial components, tools, warehouse storage and heavier packed products.
Frosted Premium PE
Frosted or Soft-Touch Film // Custom PE Structure Premium Appearance and Reduced Transparency Best for: electronic parts and products requiring controlled static dissipation. It is not a shielding bag unless separately engineered and tested.
Slider-Assisted Zipper
Plastic Slider // Integrated Zipper Track Frequent-Access Closure Option Best for: inventory identification, batch labeling, sample tracking, warehouse organization and handwritten product information.Recommended thicknesses are general selection ranges. Final material, dimensions, zipper construction and performance requirements must be confirmed against the packed product, approved sample and applicable test specification. Standard zipper bags should not be treated as hermetic, sterile, liquid-proof or child-resistant or tamper-evident packaging unless separately tested.
Compliance Evidence
Available Documents for Custom Zipper Bag Projects
Flexon provides material test reports and management-system documents according to the selected resin, additives, printing system, intended application and destination market. Report scope must be confirmed against the exact specification ordered.
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FDA 21 CFR 177.1520 Material Report
Analytical Report by SGS
Relevant to: selected virgin PE materials intended for food-contact zipper bag projects.
Coverage must be checked against the tested resin, additives, colorants, printing ink and conditions of use. This report is not blanket FDA approval for every product variant.
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PFAS Screening Report
Screening Report by SGS
Relevant to: buyers requiring PFAS screening evidence for the tested PE material or finished sample.
The report applies to the identified sample and tested substances. Applicability to a destination market must be confirmed against current legal thresholds and the final ordered specification.
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RoHS 10 Chemical Test Report
Chemical Analysis by CTI
Relevant to: selected material specifications for electronics, hardware and other projects requesting restricted-substance testing.
RoHS testing does not prove food-contact suitability, anti-static performance, electrostatic shielding or medical suitability. The report must match the tested sample.
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ISO 9001 & ISO 14001 Systems
Quality & Environmental Management
Relevant to: buyers evaluating Flexon’s quality-management and environmental-management systems.
ISO 9001 and ISO 14001 are management-system certificates. They do not independently certify food contact, thickness tolerance, recyclability or the performance of every finished zipper bag.
Compliance documents are supplied for evidence review, not as universal approval of every product shown on this page. The approved quotation, resin grade, colorant, printing ink, finished specification and applicable report define the compliance scope for each order. View the complete Flexon Compliance Vault for additional factory and specialized reports.
Application Guidance
When to Use — and Not Use — Standard Zipper Bags
Press-to-close PE zipper bags are designed for organization, repeated access and general product protection. They are not a universal replacement for sterile, liquid-proof, high-barrier or regulated dangerous-goods packaging.
Recommended Applications
Suitable when the material, thickness and zipper profile are matched to the packed product.
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Apparel, Fashion and Accessories
Organizes screws, fittings, spare parts and industrial components. Heavy or sharp items may require thicker film and puncture testing.
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Retail, Promotional and Product Kits
Suitable for accessories, samples, kits, promotional products and branded retail packs requiring repeated opening and closing.
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E-commerce and Fulfillment
Can be configured for food-contact projects when the resin, additives, colorants and printing system are matched to the intended food and supporting report.
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Documents, Samples and Inventory
Write-on panels, barcodes and custom printing can support sample tracking, batch identification and inventory organization.
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Industrial Parts and Components
Anti-static PE options may be used when the required surface-resistance range is specified and verified for the application.
Not Recommended Without Separate Testing
These applications require a different construction, documented test method or specialist packaging system.
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Sterile or Validated Medical Barrier Packaging
A standard zipper bag is not a sterile barrier and should not be used as primary sterile medical packaging without dedicated validation.
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Long-Term Liquid Storage or Transport
Press-to-close seals should not be assumed to be leak-proof. Liquid applications require a tested seal structure and defined acceptance criteria.
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Vacuum, Retort or High-Temperature Processing
Standard LDPE zipper bags are not designed for retort, boiling, oven use, hot filling or vacuum-processing conditions unless separately engineered.
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Hazardous Materials or Dangerous Goods
Chemicals, infectious substances and regulated dangerous goods require packaging tested and approved for the applicable transport or containment standard.
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Child-Resistant or Tamper-Evident Packaging
An anti-static PE bag is not the same as a static-shielding bag. Sensitive electronics may require metallized or multilayer shielding packaging with verified performance.
Final suitability depends on the approved material, film thickness, zipper profile, packed contents, handling conditions and applicable test report. Buyers with controlled or regulated applications should provide the required performance standard before sampling or quotation.
Custom Zipper Bag Buying Guide
Essential answers about LDPE materials, film thickness, zipper profiles, food-contact requirements, customization, MOQ, samples and production lead time.
What materials are available for custom PE zipper bags?
Standard Flexon zipper bags are available in virgin LDPE, selected for flexibility, clarity and low-odor packaging. The exact resin grade is selected according to the packed product and destination market.
Recycled-content PE, anti-static PE and compostable formulations are separate material programs. Their performance, disposal requirements and supporting documents must be evaluated independently.
What thickness should I choose for a PE zipper bag?
Thickness depends on bag dimensions, packed-product weight, sharp edges, puncture risk and handling conditions. General selection ranges include:
- 30–50 microns for lightweight products
- 50–80 microns for standard retail and general storage
- 80–120 microns for hardware and industrial components
- Up to 150 microns for engineered heavy-duty requirements
Final thickness should be confirmed through specification review and sample evaluation.
What is the difference between press-to-close and slider zipper bags?
A single-track seal uses one interlocking zipper profile and is suitable for general storage, retail packaging and lightweight products.
A double-track seal uses two interlocking profiles, providing greater closure redundancy for repeated opening and closing. The correct option depends on bag size, packed contents, opening force and target cost.
Can Flexon zipper bags be used for food-contact projects?
Food-contact options are available when the selected resin, additives, colorants and printing system are suitable for the intended food and conditions of use.
Buyers may request the applicable SGS analytical report against FDA 21 CFR 177.1520. Report coverage must be checked against the exact material and finished specification.
Standard zipper bags should not automatically be described as hermetic, leak-proof or sterile unless the finished construction has been separately tested.
What sizes, features and printing options can be customized?
- Widths from 30 to 750 mm and custom lengths
- Film thicknesses from 30 to 150 microns
- Press-to-close or slider zipper closures
- Transparent, colored or frosted film
- Write-on panels, warning text and barcode areas
- Ventilation holes and customized export packing
- Gravure printing in up to 8 colors
Final specifications depend on artwork, bag construction, packed-product requirements and production review.
What is the MOQ, and can I receive samples before ordering?
Existing samples may be available for initial material, thickness and construction evaluation. Custom-size or printed prototypes can also be arranged when required.
Mass-production MOQ depends on dimensions, thickness, material, zipper profile, printing colors and packing requirements. A single prototype is not the MOQ for mass production.
What is the production lead time, and what is required for a quote?
Eligible plain products typically require 7–10 days. Custom production normally requires 15–20 days after material, dimensions, artwork, samples and order details are approved. Shipping time is quoted separately.
For an accurate quotation, provide:
- Finished width and length
- Packed product and unit weight
- Preferred thickness or a physical reference sample
- Order quantity and expected repeat volume
- Artwork, printing colors and coverage
- Destination country and intended application
- Required food-contact, PFAS, REACH or RoHS documents
- Packing method and shipping destination
Request a Zipper Bag Specification
Factory RFQ Support // Typical Response Within 1 Business Day
Supply Chain Integrity
Standard clear zipper bags are available in virgin LDPE. Soft-touch CPE, recycled-content PE and other formulations are separate options. Material selection and supporting documentation must be confirmed for the exact order specification.
Payment Standards
T/T Bank Transfer in USD.
30% Deposit to initiate production.
70% Balance prior to global shipment.