Custom resealable packaging for retail, laboratory and healthcare workflows
Made in Vietnam
OEM / ODM support
Export documentation support
Zipper • Slider • Specimen Bags
Resealable Bags That Keep Products, Samples & Paperwork Under Control.
Custom zipper bags, slider bags and specimen bags engineered around your size, film, closure, write-on panel, document pouch, printing and packing requirements.
Single or double zipper
✓
Custom slider colours
✓
Write-on panels
✓
Document pouch options
✓
No final specification yet? Send a product photo, current sample or intended application.
INTERNAL IMAGE NOTE
One platform. Multiple closures.
Custom manufacturing
Get a Custom Quote
Since 2006
Manufacturing experience
3
Production facilities
54,000+
Tons annual capacity
90+
Export countries
Up to 12
Printing colours
Product range
Choose the Closure That Fits the User Experience
Start with the way the bag will be opened, closed, labelled and packed then build the film and converting specification around it.
INTERNAL IMAGE NOTE
Press-to-close
Zipper Bags
Simple, repeatable press-to-close protection for retail, household, food-storage and industrial applications.
Single or double zipper profiles
✓
Clear or coloured zipper options
✓
Write-on panel and custom printing
✓
Flat, gusseted or custom shapes
✓
Configure a zipper bag →
INTERNAL IMAGE NOTE
Easy-open slider
Slider Bags
An intuitive, one-hand closure experience suited to retail packs, storage systems and repeat-use packaging.
Custom slider and track colours
✓
White write-on panel options
✓
Retail box and private-label packing
✓
Closure feel reviewed to specification
✓
Configure a slider bag →
INTERNAL IMAGE NOTE
Sample handling
Specimen Bags
Organised sample handling with clear identification and optional separation between the sample area and paperwork.
Zip closure and tamper-evident options
✓
Separate external document pouch
✓
Write-on panel and warning print
✓
Custom kit and dispenser packing
✓
Configure a specimen bag →
The details buyers notice
A Resealable Bag Is More Than Size + Thickness + Material.
Closure colour, pull feel, seal strength, write on panel opacity, artwork, box structure, bag count and carton packing all influence approval and repeat orders.
The stronger the pre production specification, the fewer surprises during sampling, artwork approval and mass production.
01
Closure performance
Zipper engagement, slider movement and opening/closing feel.
02
Film & seal
Material, thickness, dimensions, side/bottom seal and bag strength.
03
Panels & print
White panel coverage, ink adhesion, colour and artwork accuracy.
04
Retail packing
Bag count, outer box, master carton, labels and shipping marks.
Applications
Designed Around the Workflow, Not Just the Bag
The same closure platform can support very different end uses. Product suitability, labelling and documentation should be confirmed for each project.
⌂
Retail & Household Storage
Organising food, clothing, travel items, accessories and everyday products.
❄
Food & Freezer Storage
Resealable consumer packs where project-specific food-contact evidence is required.
⌁
Laboratory Collection Kits
Sample bag components designed around collection, identification and paperwork flow.
✚
Hospitals & Clinics
Clear, labelled bags for internal sample-handling processes and clinical supply kits.
Rx
Pharmacy & Medical Supply
Private-label bag formats for distributors, kit assemblers and healthcare suppliers.
◇
Industrial Sample Retention
Traceable storage for parts, materials, inspection samples and controlled components.
Customisation matrix
Control the Details That Shape Performance & Presentation
INTERNAL IMAGE NOTE
From transparent commodity bag to fully branded retail system.
Combine closure design, bag body, printed panels and packing format to match the buyer's channel and use case.
OEM / ODM
Private label
Retail box
Write-on panel
Document pouch
Custom colours
Bag body
Flat, side-gusset, bottom-gusset or custom dimensions; clear, tinted or opaque film.
Closure system
Single zipper, double zipper, slider closure or project-specific tamper-evident feature.
Functional panels
White write-on panel, label zone, warning area or separate document pouch.
Material & thickness
LDPE, HDPE or reviewed recycled-content options, subject to application and performance requirements.
Printing
Logo, instructions, warning symbols, tracking fields and artwork up to the confirmed printing capability.
Specification sheets, material information, test coordination and other evidence as agreed for the project.
Sample to production
A Clear Route from Enquiry to Repeat Supply
Each stage reduces ambiguity before the first production run and makes repeat-order control easier.
Send requirements
Photo, sample, size, use, quantity and destination.
Technical review
Clarify material, closure, panels, tolerances and packing.
Quotation
Price, MOQ, lead time and delivery terms based on confirmed inputs.
Sample & artwork
Review physical sample, closure feel, panel, print and box artwork.
Mass production
Manufacture to the approved specification and packing plan.
Inspection & delivery
Final checks, carton review, loading and shipment coordination.
Quality focus
Inspect the Features That Drive Approval and Repeat Orders
INTERNAL IMAGE NOTE
Product controls
1
Dimensions & thickness
Checked against the signed specification and agreed tolerances.
2
Seal & bag construction
Side/bottom seals, zipper attachment and converting details reviewed.
3
Closure experience
Zipper engagement, slider movement and opening/closing feel assessed to the approved reference.
4
Print & panel quality
Artwork, colour, registration, write-on panel coverage and adhesion checked.
Packing controls
A
Bag count
Quantity per inner pack, retail box and master carton confirmed.
B
Retail presentation
Box structure, artwork orientation and packing arrangement reviewed.
C
Carton & labels
Carton construction, shipping marks and label information checked.
D
Pre-shipment review
Final packing, quantities and loading information reviewed before dispatch.
Final tolerances, test methods and acceptance criteria must be agreed product by product before production.
Frequently asked questions
What Buyers Usually Need to Confirm First
?
Better questions create better specifications.
Use the FAQ to identify missing details before requesting a formal quotation or sample.
Discuss Your Project
What information is needed for a quotation?
Bag type, size, thickness or target weight, material, closure style, printing, panel/pouch requirements, packing, quantity and delivery destination. A current sample or clear photo is highly useful.
Can zipper and slider colours be customised?
Colour options can be reviewed against the product design, order quantity, tooling and production capability. A physical colour reference is preferable for approval.
Can specimen bags include a separate document pouch?
Yes, an external paperwork pouch, write-on area and project-specific print can be developed. Suitability, labelling and transport requirements must be confirmed for the intended workflow and destination.
Are food-contact documents available?
Documentation depends on the exact material, product, factory, intended use and market. Required evidence should be listed during technical review rather than assumed from a general certificate logo.
Can bags be packed in retail boxes?
Yes. Outer boxes, dispenser boxes, inner packs, master cartons and private-label artwork can be reviewed as one complete retail system.
What controls are important for repeat orders?
Keep one approved specification covering closure colour and feel, bag dimensions, film, panel, artwork, box structure, counts, carton and inspection method. Changes should be documented before production.
Request a quotation
Turn Your Bag Idea into a Technical Review
Share what you already know. The HAPLAST team can help organise missing specifications before sampling and quotation.
✓
Attach a product photo, drawing, current sample or artwork.
✓
State the intended use, annual volume and delivery destination.
List required documents instead of assuming universal compliance.
✓
Include retail box and master-carton requirements when applicable.
✓
Project enquiry
Preview form — connect to your LadiPage form, CRM or sales mailbox before launch.
Custom plastic, recycled-content and compostable packaging development for international buyers. Product suitability and documentation must be confirmed for each project.