postage parcel mailing bags

Postage Parcel Mailing Bags are lightweight yet highly durable plastic shipping bags designed for secure and cost-effective parcel delivery. Featuring a strong self-adhesive sealing edge, they prevent accidental opening and protect contents from tampering or snooping during transit. Made from high-quality LDPE (Low-Density Polyethylene), these mailing bags offer excellent tear resistance, waterproof performance, and reliable protection against dust, damage, and rough handling. The smooth opaque surface enhances privacy, while keeping items tightly wrapped and well-sealed. In addition, customizable sizes, thicknesses, colors, and premium designer prints allow brands to personalize packaging, elevate the customer experience, and create a memorable unboxing moment. Widely used by e-commerce sellers, logistics providers, fulfillment centers, and retailers, these mailing bags are ideal for shipping apparel, documents, soft goods, and accessories.

Made from premium LDPE material

Self-sealing adhesive strip with tamper-evident closure

Waterproof and moisture-resistant

Tear-resistant and puncture-resistant

Opaque or transparent options available

Lightweight design reduces shipping costs

Smooth surface suitable for custom printing

Secure Shipping Protection
Strong LDPE film and permanent adhesive closure prevent unauthorized opening during transit.

Cost-Efficient Packaging
Lightweight construction helps reduce postage and logistics costs compared to boxes.

Professional Brand Image
Custom printing enhances brand recognition and improves customer unboxing experience.

High Packing Efficiency
Easy-open, self-sealing design speeds up order fulfillment.

Versatile Use
Suitable for domestic and international shipping.

Parcel and mail transportation

Product protection against water, dust, and dirt

Tamper-evident packaging

Brand communication through printed designs

Efficient e-commerce fulfillment

E-commerce shipping & fulfillment

Courier and postal services

Clothing and textile shipping

Documents and soft goods mailing

Retail and wholesale distribution

Online marketplaces and subscription services

Size (W × L) mm	Size (W × L) inch	Thickness (Microns / Mil)	Common Use
190 × 260 mm	7.5" × 10.2"	50–60 μm (2.0–2.4 mil)	Documents, small items
250 × 350 mm	10" × 14"	55–65 μm (2.2–2.6 mil)	T-shirts, apparel
300 × 400 mm	12" × 16"	60–70 μm (2.4–2.8 mil)	Clothing, accessories
350 × 450 mm	14" × 18"	65–90 μm (2.6–3.5 mil)	Bulkier parcels

Custom sizes and thicknesses are fully supported.

Raw Material Preparation – Virgin or recycled LDPE pellets

Film Blowing Process – Uniform, high-strength polyethylene film

Printing (Optional) – Flexographic or gravure printing

Bag Making & Sealing – Cutting, folding, adhesive strip application

Quality Inspection – Thickness, seal strength, adhesion testing

Packing & Cartoning – According to customer requirements

Structure:
Single-layer or co-extruded LDPE film + permanent self-adhesive sealing strip

Custom sizes and thicknesses

Opaque, gray, black, white, or colored bags

Custom logo, text, and pattern printing

Permanent or tamper-evident adhesive

Recycled LDPE or eco-friendly material options

OEM & private label services

500 / 1000 pcs per carton

Custom carton quantities

Bulk pallet packaging

OEM branded outer cartons

Q1: Are postage parcel mailing bags waterproof?
Yes. LDPE material provides excellent water and moisture resistance.

 

Q2: Can the bags be reused?
The adhesive seal is designed for one-time use to ensure tamper evidence.

 

Q3: Do you offer eco-friendly mailing bags?
Yes. Recycled LDPE and biodegradable options are available upon request.

 

Q4: Can I customize size and printing?
Absolutely. Full customization is supported for size, thickness, color, and branding.

 

Q5: What industries use mailing bags most?
E-commerce, logistics, retail, apparel, and courier services.

Increased demand for lightweight shipping solutions

Growing use of recyclable and PCR LDPE materials

Custom branding for better customer experience

Opaque mailing bags for privacy protection

Standardized sizes for automated fulfillment systems

Standard poly mailers

Opaque security mailing bags

Co-extruded mailing bags

Printed custom mailing bags

Recycled LDPE mailing bags

Tamper-evident courier bags

Professional manufacturer with years of industry experience

Strict quality control and international certifications

Stable bulk supply and fast lead times

OEM & ODM customization services

Trusted by global B2B customers

OEM and ODM services	The company provides OEM and ODM services to meet the diverse needs of different customers
Production using recycled materials	Many of our products contain at least 30% recycled content, avoiding the additional cost pressures of increased taxes on imported plastic packaging.
Certificate	ISO14001, ISO9001, SGS-REACH, SGS-LDPE polyethylene bag (30% recycled material), USB TEXT5873-GRS-2022-01
Packaging method	Boxed, bagged, custom packaging
Delivery time	Usually about 35 days after receiving advance payment and confirming all details
Sample/supply quantity	3-7 days. Some of our samples are free, and some are chargeable. Can supply more than 50 containers per month
Minimum order quantity	According to specifications, between 100kgs-1000kgs
Price	Depends on size, thickness, packaging and printing

 

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