440x320x20mm White Die-Cut Box - A3 Letter Mailer

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Buy 1 to 99:	Pay $2.09 Including GST
Buy 100 to 399:	Pay $1.43 Including GST
Buy 400 or more:	Pay $1.07 Including GST

Minimum Order Quantity 25

Description
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440x320x20mm White Die-Cut Box – A3 Letter Mailer

Looking for a low-profile, sturdy packaging solution for A3-sized documents, prints, or promotional materials? The 440x320x20mm White Die-Cut Box – A3 Letter Mailer from Big Red Packaging is purpose-built for businesses that need a sleek, professional mailing option. Whether you're sending artwork, marketing materials, or flat merchandise, this A3 letter mailer ensures your items arrive protected and presented in a clean, high-quality format.

Crafted from durable white kraft cardboard, the 440x320x20mm White Die-Cut Box – A3 Letter Mailer is ideal for e-commerce retailers, creative professionals, and offices that frequently post flat items. Its slim 20mm profile helps reduce postage costs while still offering rigidity and security in transit. The die-cut design enables quick assembly with no tape or glue required, making packing fast and efficient.

Designed specifically to fit standard A3 sheets and thin contents, this box is often used for sending calendars, brochures, certificates, posters, or softcover books. Its sharp white finish adds a polished touch, ideal for businesses that value presentation as much as protection.

Key Features:

Clean white finish for a premium, professional look
Made from sturdy corrugated cardboard for maximum protection
Slim 20mm depth for efficient postage and storage
No tape required – fast tuck-in flap design
Suited for A3-size documents and flat items

When you choose the 440x320x20mm White Die-Cut Box – A3 Letter Mailer, you're choosing quality, efficiency, and value. Big Red Packaging – a trusted Australian packaging wholesaler – is committed to providing practical solutions for all your packaging needs.

This box cubes to 0.75kg with Aus Post

(Box-D55)