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Refresh Cartridges£22.97Visit shop Mail Lite PLUS Padded Envelopes K/7 350mm (W) x 470mm (H) Peel and Seal White Pack of 50
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The Mail Lite PLUS K/7 padded envelopes are designed for small to medium-sized business owners who need to ship fragile or heavy items securely without the bulk of traditional corrugated boxes. These mailers offer a high-performance alternative to cardboard packaging by combining a robust, FSC-certified recycled Kraft paper exterior with premium AirCap bubble protection, though users should note that the fixed dimensions are best suited for flat or moderately sized objects rather than extremely bulky items.
| Model Part Number | K/7 |
|---|---|
| Brand | Mail Lite |
The Kraft paper exterior is durable, but these are intended to be water-resistant rather than waterproof. Do not submerge them.
While the construction is robust, they are designed for items that fit comfortably within the 350 x 470mm dimensions. Avoid overloading beyond what the paper structure can support.
Yes, the exterior is 100% recycled FSC-certified Kraft paper, and the internal bubble lining contains at least 60% recycled content.
While the self-seal is reliable, you can apply standard packaging tape over the seam for extra security if you are shipping particularly heavy items.
Yes, these mailers are accepted by virtually all global postal services and couriers due to their standardized size and durable construction.
Ensure the surface of the paper is clean and free of dust, and apply firm, even pressure across the entire flap for at least 10 seconds.
Use extra bubble wrap around the item before placing it inside the mailer if the item has sharp edges or pointed corners.
No specialized setup is required to begin using Mail Lite K/7 envelopes. They are compatible with all major postal carriers and courier services. To ensure maximum protection, do not overfill the envelope, as this may strain the side seals. Store these mailers in a cool, dry environment to maintain the integrity of the adhesive and the paper fibers. Avoid exposure to extreme heat or direct sunlight for extended periods, as this can degrade the self-seal strip efficacy. To maximize space efficiency, store them vertically or in original flat packaging.
