Perfectly sized for A3 items
Created specifically for A3 items, our A3 flat postal boxes serve as an ideal solution for businesses needing to send flat or low-profile products. Unlike regular postal boxes that might not accommodate large documents or delicate items, these boxes offer optimal protection for art prints, posters, and other printed materials. With a focus on durability, the integrated lid and double reinforced sides ensure the A3 flat postal boxes safeguard contents against damage during transit.
Manufactured from recycled, single wall, rigid flute corrugated board, these flat boxes come in either a brown or white Kraft finish, providing a professional appearance for shipping. Both recyclable and made from recycled materials, they fully support sustainable business practices. Delivered flat packed, the boxes simplify transport and storage until required, making logistical management easy and efficient.
Sold in packs of 50 and priced per unit, the A3 flat postal boxes are a practical investment for any operation dealing with A3 sized items. The convenient design allows for quick assembly without the need for glue or tape, and when closed, the box provides robust edge protection for secure delivery.
How to Use
Build the A3 flat postal boxes by following the locking flap closure system, ensuring that the easy-to-open cutaway finger hole is utilized for quick access. Place your goods inside and protect them with some void and loose fill before sealing the box. Store in a cool, dry place to preserve the integrity of the boxes, taking care to avoid bending prior to use. For optimal usage, consider fully sealing with packaging tape for added security and affixing some packaging labels for ease of posting. Consider using alongside larger boxes, such as regular A3 postal boxes, for a comprehensive protective solution.Ideal applications
Sending flat art prints and posters. Shipping bulk quantities of documents and brochures. Suitable for educational materials, ensuring secure delivery. Ideal for use in various industries including publishing, e-commerce, and the arts.Product FAQs
What type of postage is needed for an A3 flat mailing box?
Standard postage rates apply, but it is advisable to check with your postal service for specific requirements related to size.
What are the dimensions of an A3 flat postal box compared to an A4 postal box?
The A3 flat postal box is designed for A3 size items (297 mm x 420 mm), while the A4 flat postal box accommodates A4 size items (210 x 297 mm). As standard measurements, these should be consistent but it never hurts to double check the size of your item before posting.
Can these boxes be reused?
Yes, as long as they maintain their integrity, A3 flat postal boxes can be reused multiple times.
Need something a bit smaller? We have A4 flat postal boxes and A5 flat postal boxes available to give your goods the protection they need.
