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Kraft Paper Bubble Mailer Bag
The Kraft Paper Bubble Mailer Bag is a padded mailing envelope combining a natural kraft paper outer shell with an inner PE bubble film cushioning layer and a pressure-sensitive self-seal adhesive strip — designed for e-commerce businesses, brand owners, and fulfilment operations across Southeast Asia that ship directly to consumers through postal and courier networks. Unlike industrial kraft bubble bags designed for component packaging on factory floors, the mailer format is engineered for last-mile dispatch: the self-seal strip closes in one motion without tape or heat sealers, the tear strip gives recipients a clean hands-free open, and the natural brown kraft exterior presents an eco-friendly brand appearance from the moment the parcel arrives.
The kraft paper outer layer provides tear and puncture resistance that protects the bubble cushioning and contents through postal sorting, courier transfer hubs, and final delivery — handling conditions that plastic poly mailers routinely fail under. The biodegradable and recyclable outer layer also satisfies the sustainability packaging requirements of an increasing number of Southeast Asian e-commerce buyers and destination-market regulations. Manufactured at our facility and supplied to e-commerce operations across Vietnam, Thailand, Malaysia, Singapore, and Indonesia.
Structure & Materials
The self-seal strip and tear strip are features specific to the mailer format — not present on flat bags or industrial kraft bubble bags in our range. They are what make this bag suitable for high-throughput e-commerce dispatch rather than factory-floor component packaging.
Specifications
| Outer Layer | Kraft paper |
| Inner Layer | Polyethylene (PE) bubble film |
| Bubble Diameter | 10 mm (standard) |
| Closure | Pressure-sensitive self-seal adhesive strip |
| Opening | Tear strip (recipient-side) |
| Bag Format | Mailer envelope (sealed bottom and sides, peel-and-seal top) |
| Recommended Product Weight | 50 g – 2 kg |
| Water Resistance | Water-resistant; not fully waterproof (standard spec) |
| Laminated Waterproof Option | Available on request — moisture-resistant coating |
| Custom Sizes | Yes — all dimensions manufactured to specification |
| Custom Printing | Available on kraft paper outer surface |
| MOQ | Small batch orders welcome — contact us for volume pricing |
Applications
E-commerce Direct-to-Consumer Dispatch
The primary application across Southeast Asia: last-mile shipping of e-commerce orders through postal services and courier networks (J&T, Ninja Van, Pos Malaysia, Vietnam Post, Kerry Express, Flash Express). The self-seal strip handles high-throughput packing lines; the natural kraft exterior communicates eco-brand values at the point of delivery.
Cosmetics & Personal Care
Bottled skincare products, pressed powder compacts, lip products, and glass fragrance vials — products not fragile enough to require a rigid box but too delicate for a poly mailer. The bubble cushion absorbs courier drop impacts that would crack glass or damage compact cases during sorting.
Fashion Accessories & Jewelry
Watches, bracelets, earrings, sunglasses, and fashion accessories in branded or gift-box secondary packaging ship securely without the cost of a rigid outer carton. The tear strip provides a clean unboxing experience consistent with brand presentation standards.
Small Electronics & Accessories
Phone cases, cables, earbuds, power banks, and similar accessories in the 50 g – 1 kg range — items that require cushioning protection but where rigid box shipping is not cost-justified. The kraft exterior resists the abrasion and tearing that plastic poly mailers accumulate through courier sorting.
Books & Documents
Books, printed materials, certificates, and document packs shipped through postal networks with moisture and impact protection. The flat format and self-seal strip allow single-operator packing without tape dispensers.
Subscription Boxes & Promotional Kits
Monthly subscription contents, sample kits, and promotional product mailers where the outer packaging appearance is part of the brand experience — the kraft surface accepts logo printing and handling text to carry brand identity from fulfilment centre to recipient doorstep.
Customization
All dimensions are manufactured to your specification — no standard size constraints. Custom printing is available on the kraft paper outer surface: brand logo, return address, handling instructions, and marketing messages. For products requiring enhanced moisture protection, a laminated kraft variant with moisture-resistant coating is available on request. Specify your product dimensions, target weight range, and printing requirements when inquiring and we will recommend the appropriate mailer specification.
Contact Mavis: mavisv.com/contact
Frequently Asked Questions
How is this different from a kraft paper bubble flat bag or shockproof bubble bag?
The mailer bag is a finished postal envelope — it has a self-seal adhesive strip for fast one-motion closure and a tear strip for the recipient to open cleanly, making it ready for direct dispatch to consumers through courier and postal networks. The kraft paper bubble flat bag is a factory pouch (three-side-sealed, one open end) for internal production packaging of flat components — it has no self-seal strip and is not designed for consumer-facing dispatch. The kraft paper shockproof bubble bag is designed for heavier industrial components with thickened bubble film — not a postal envelope format.
What products are suitable for kraft bubble mailers?
Products that need more protection than a standard poly mailer provides but do not require a rigid outer box. Practical weight range is typically 50 g to 2 kg per item. Suitable product types include cosmetics and skincare in glass or compact packaging, fashion accessories and jewelry, small electronics and cables, books and printed materials, and subscription box contents.
Are these mailers waterproof?
Standard kraft paper bubble mailers are water-resistant but not fully waterproof — they resist light moisture exposure through courier handling but are not rated for submersion or heavy rain. For products requiring waterproof packaging, specify our laminated kraft bubble mailer with moisture-resistant coating when inquiring.
Can I print my brand logo on the outer surface?
Yes. The kraft paper outer surface accepts custom printing: logo, return address, handling instructions, and marketing copy. Water-based eco-friendly inks are available. Provide your artwork and quantity when contacting us for a quote.
Are custom sizes available and what is the minimum order?
Yes, all dimensions are custom manufactured. Small batch orders are welcome. Contact us with your product dimensions and target weight range and we will advise on the appropriate bag size and specification.
Is the kraft outer layer genuinely eco-friendly?
The kraft paper outer layer is biodegradable under industrial composting conditions and recyclable with paper waste streams. The PE bubble film inner layer is recyclable as clean PE plastic. The mailer has significantly better environmental credentials than all-plastic poly mailers for businesses meeting customer sustainability requirements or destination-market eco-packaging regulations.
Related Products
Contact Mavis for kraft bubble mailer specifications and pricing: mavisv.com/contact
Suitable for distributors and manufacturers across Vietnam, Thailand, Malaysia, Singapore, and Indonesia. Contact us to verify compliance requirements for your specific market.
| Minimum Order | Flexible — contact us with your target quantity for confirmation |
| Sample Order | Available — sample cost refunded on first bulk order |
| Custom Print | Logo, design, and color printing supported (gravure up to 8 colors) |
| Custom Size | Full dimension customization available with no tooling fee (standard construction) |
| Lead Time | Stock sizes: 3–7 days · Custom production: 10–18 working days |
| Packaging | Export carton with inner poly-bag grouping; labeling to buyer spec |
All dimensions are fully customizable. Send your target size and quantity to [email protected] — we'll confirm feasibility and pricing within 24 hours.
Product data sheets and test reports are available upon request. Email [email protected] with your product and application details.
Email [email protected] or WhatsApp +86 186 2610 0216 with your dimensions and quantity. We respond within 24 hours.
