White Bubble Envelope Kraft Padded Mailer 230mm x 335mm
Protect delicate shipments with these premium white kraft padded bubble mailers, engineered with internal 4mm barrier air cellular cushioning for reliable impact defense. Crafted with a 110 GSM PE-coated kraft exterior and a seamless bottom, each envelope provides water-resistant protection while remaining lightweight to help reduce postage costs.
Featuring high-slip internal lining for quick and effortless packing, these mailers include a tamper-evident hot-melt self-seal adhesive strip that secures contents firmly without requiring additional tape or staples.
Key Features
| Product Type | Bubble Envelope |
| Internal Dimensions | 230 mm x 335 mm |
| Size Reference | Featherpost F3 |
| Material | 110 GSM Kraft Paper with PE Coating |
| Cushioning | 4 mm Air Cap Bubble Lining |
| Closure Type | Hot-Melt Self-Seal Strip |
| Color | White |
| Water Resistance | Water-resistant PE Coating |
Highlights
- Internal Diameter: 230mm x 335mm (Size Reference: Featherpost F3)
- Largest letter size
- Premium Quality 110GSM Kraft Paper with PE Coated
- 4mm Barrier bubble cushioning for product safety
- High-Slip Air Cap Cushioning Material for faster and easy product insertion
- Adhesive Hot-melt self-seal closure to ensure padded bags remain closed during the mailing cycle
Sizing & fit
Internal dimensions are 230 mm x 335 mm (Featherpost F3 reference), accommodating documents, books, and delicate flat or semi-flat items up to those dimensions.
How to use
Insert your items smoothly into the high-slip interior, peel off the protective backing from the self-adhesive strip, and press down firmly across the flap to securely seal the envelope.
Frequently asked questions
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