324 x 458mm - MailJacket Cardboard Mailers - 75 Envelopes - 24 Packaging Supplies : Cardboard Boxes, Bags, Labels... https://24packagingsupplies.co.uk Supplying businesses & retailers with quality packaging products. Get packaging essentials quickly and easily! Thu, 07 Aug 2025 04:05:27 +0000 en-US hourly 1 324 x 458mm – MailJacket Cardboard Mailers – 75 Envelopes https://24packagingsupplies.co.uk/324-x-458mm-mailjacket-cardboard-mailers-75-envelopes/ Thu, 07 Aug 2025 04:05:27 +0000 https://24packagingsupplies.co.uk/324-x-458mm-mailjacket-cardboard-mailers-75-envelopes/ Size 458 (MJ458) MailJacket™ cardboard capacity mailers are ideal for mailing books and flat packages and boxes. They’re completely unbranded and come in boxes of 75. Using MailJacket™ will ensure more of the products you send qualify for reduced-cost delivery options, such as Royal Mail’s large letter, lowering your company’s overall postal costs. The 400

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]]> Size 458 (MJ458) MailJacket™ cardboard capacity mailers are ideal for mailing books and flat packages and boxes. They’re completely unbranded and come in boxes of 75.
Using MailJacket™ will ensure more of the products you send qualify for reduced-cost delivery options, such as Royal Mail’s large letter, lowering your company’s overall postal costs.
The 400 gsm 100% recycled card envelopes include pre-creased capacity grooves that allow them to expand, This means they can be used for items of many different sizes and ensure a tight fit preventing damage in transit for all of them. MailJacket™ cardboard capacity mailers have become the market-leading product due to their quality and efficiency. This is because items are inserted on the long edge, they glide across the smooth cardboard interiors and are quickly secured with a peel and seal closure and easily opened thanks to their perforated ripper strip.

The post 324 x 458mm – MailJacket Cardboard Mailers – 75 Envelopes first appeared on 24 Packaging Supplies : Cardboard Boxes, Bags, Labels....

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