Paper Envelope Mailer Bags for E-commerce and Logistics
Paper envelope mailers function as primary protective and shipping containers for e-commerce fulfillment, document transport, and retail distribution. Engineered as a sustainable alternative to conventional polyethylene bubble mailers, these paper envelopes integrate high-tensile kraft structures with structural cushioning options. B2B procurement teams, logistics operators, and packaging distributors deploy these units to minimize material waste, optimize automated fulfillment lines, and meet corporate carbon-reduction mandates without compromising transit integrity.
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Small Glassine Envelopes
Premium small glassine envelopes in bulk for business packaging. Food-safe, compostable, and greaseproof. Choose peel-and-seal or open-flap. Order samples now!
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Kraft Paper Envelope Bags
Dongguan Xianghe Paper Co., Ltd. is a professional China-based Envelope manufacturer, supplier and wholesaler, with years of professional experience in R&D and production of paper packaging products.
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White Cardboard Envelope Bags
White cardboard envelope bags for cosmetics, jewelry, stationery and premium small products. Customize paper weight, size, closure and finishing for bulk orders.
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Printed Envelope Bags
Custom printed paper envelope bags for retail, samples and branded packaging. Choose paper, size, closure, artwork and print finishes for bulk orders.
Paper Protection
Transit durability depends on engineered paper grammage and internal web architecture.
Single-Layer Kraft Construction:
Utilizes high-density virgin wood pulp kraft paper ranging from 100 GSM to 180 GSM with high burst resistance and tear index values, suited for flat documents, apparel, and rigid catalogs.
Corrugated and Honeycomb Padded Structures:
Integrates inner layers of honeycomb paper webbing or fluted paper cushioning. This internal geometry absorbs kinetic shock during drop impacts, preventing deformation of enclosed contents.
Expandable Gusset Options:
Features side or bottom gussets constructed with multi-fold paper expansion, accommodating bulky items up to 50mm in thickness while maintaining structural edge strength.

Product Type
Flat Paper Mailers:
Non-padded variants optimized for documents, photographs, certificates, and soft goods where rigid protection is secondary to puncture resistance.
Honeycomb Padded Paper Envelopes:
Features a die-cut honeycomb inner lining that expands upon tension, offering shock-absorbing capabilities comparable to traditional plastic bubble mailers.
Corrugated Paper Mailer Bags:
Heavy-duty variants reinforced with light fluting, designed for electronics, media items, and fragile goods requiring crush-resistance.
Materials and Construction
Base Substrates:
Unbleached brown kraft paper, white bleached kraft paper, and coated art paper for high-end retail presentation. Certified under FSC chain-of-custody standards.
Adhesive Systems:
Applied pressure-sensitive hot melt adhesive strips protected with siliconized release liners. Peel-and-seal application creates a permanent tamper-evident bond that destroys the paper fiber upon forced opening.
Opening Mechanism:
Integrated perforations or tear strips using nylon or paper-based pull tabs enabling clean, tool-free recipient opening.
Eco-friendly Inks:
Water-based flexographic and offset printing inks compliant with European heavy metal and chemical safety directives including REACH and RoHS.

Burst Strength (Mullen Test): Rated between 350 kPa and 650 kPa depending on paper thickness and ply count.
Edge Crush Resistance (ECT): Engineered to withstand vertical stacking loads up to 3.5 kN per meter in distribution warehouse environments.
Moisture Resistance: Optional aqueous coating or internal bio-based barrier film application to protect contents from brief exposure to humidity and rain, while maintaining 100% curbside recyclability.
Applications
E-commerce and Apparel Fulfillment:
Primary mailer for direct-to-consumer fashion brands, shoes, and textile accessories.
Publishing and Print Media:
Transport of books, art prints, calendars, and confidential document portfolios.
Consumer Electronics and Accessories:
Shipping for cables, phone cases, and circuit boards utilizing honeycomb-padded variants.
Retail and Corporate Gift Packaging:
Custom-branded delivery envelopes for luxury retail items, vouchers, and membership kits.
Dimension Customization: Custom widths ranging from 100mm to 500mm, lengths from 150mm to 600mm, and customizable flap lengths.
Branding and Printing: Flexographic printing up to 6 colors or full-color offset printing for precise Pantone matching. Surface finishes include matte varnishing and embossed logo detailing.
Closure Variations: Single peel-and-seal strip, double adhesive strips for dual-use or returnable mailers, or string-and-button closures for document portfolios.

Quality Control and Material Traceability
Incoming Raw Material Inspection:
Strict laboratory verification of paper basis weight in GSM, moisture content, and tensile strength prior to production line release.
In-Process Monitoring:
Automated inline sensors measure glue width, folding accuracy, and seal integrity continuously at high processing speeds.
Finished Goods Testing:
Batch sampling subjected to drop tests, static load compression, and peel adhesion force testing. Each production batch is assigned a laser-etched lot code for complete material traceability back to the raw paper mill.

Standard Export Packaging: Bundled in quantities of 25 or 50 pieces with moisture-resistant kraft wrapping, packed into high-strength 5-layer corrugated master cartons.
Palletization: Stacked on fumigation-free wooden or plastic pallets, shrink-wrapped, and corner-protected to withstand international container transit.
Logistics Support: Flexible shipping terms including FOB, CIF, and DDP, with optimized carton dimensions to maximize container space utilization.
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FAQ
Dongguan Xianghe Paper Co., Ltd. is one of the most experienced envelope manufacturers and suppliers in China, also supports customized service with low price. We warmly welcome you to wholesale bulk cheap envelope from our factory.
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