Unboxing the Best Mailers: A4 and A5 Size Cardboard Book Multi Crease Mailer Boxes

Are you searching for the perfect mailer box to protect your books and flat items during shipping? Look no further! We have found the best A4 and B5 size cardboard book multi crease mailer boxes that provide superior protection, eco-friendliness, and ease of use. Read on to discover the top options and learn how to choose the ideal multi crease mailer box for your needs.
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Overview of Top-tier Mailers: A4 and A5 Size Cardboard Book Multi Crease Mailer Boxes

An image of a sturdy and durable mailer made of cardboard material, perfect for shipping and protecting your valuable items.

These superior book mailers, colloquially referred to as book wraps, are crafted from robust corrugated cardboard. Their design is meant to keep items like books, CDs, vinyl records, and dvd safe and secure during shipping.

Our team ensures that all items remain undamaged throughout their transit by maintaining proper contact with the packaging materials to protect them.

The A4 and A5 mailer boxes are lightweight, recyclable, and available in different sizes. They feature self-seal closures for a reliable seal, or you can opt for plastic tape for added security.

A Deep Dive into the A4 Cardboard Book Multi Crease Mailer Box

A cardboard book mailer box with a book inside

Price: $59.00


  • Pack Size: 50-pack

  • Dimensions: W 32.8 x L 22 x H 30 / 45 / 60 cm

  • Weight: 0.15 kg

  • Recyclable: Yes

  • Country of Origin: Australia


  • Strong and durable

  • Standard dimensions for efficient stacking

  • Made in Australia

  • Recyclable


  • May be too large for smaller items

For individuals shipping books and documents, the A4 Cardboard Book multi crease Mailer Box emerges as an outstanding choice. It offers the following features:

  • Constructed from strong corrugated cardboard, providing superior strength and durability while remaining lightweight

  • Standard dimensions make it efficient for stacking on pallets and shelving

  • Made in Australia, guaranteeing a high-quality product

  • 100% recyclable, contributing to its eco-friendliness

A potential drawback of the A4 mailer box is its rather large size, which might not be ideal for smaller items. However, its overall performance, combined with its eco-friendly nature and affordable price, make it a popular choice among users.

Exploring the A5 Cardboard Book Multi Crease Mailer Box

A cardboard book mailer box with a DVD inside

Price: $38.99 to $139.99


  • Board Grade: E Flute

  • Board Weight: 400gsm

  • Colour: Manila

  • Closure Type: Peel & Seal

  • Internal Dimensions: 22 x 16 x 5 cm

  • External Dimensions: 220 x 160 x 50 mm


  • Versatile size for various flat items

  • Easy-to-use peel & seal closure

  • Can be customized with branding and logos


  • May not be suitable for larger items; note this limitation.

If you’re shipping a variety of flat items, such as comic books, magazines, or documents, the B5 Cardboard Book Multi Crease Mailer Box is a superior option. Its features include:

  • Peel & seal closure: easy to use and ensures a secure package

  • Corrugated cardboard construction: provides durability and protection during shipping

  • Customizable with branding and logos: a great marketing tool for businesses

The only potential negative of the B5 mailer box is its incompatibility with larger items. However, its versatility, ease of use, and customization options make it a popular choice among users.

Choosing Your Perfect Multi Crease Mailer Box: A Comprehensive Guide

Having acquainted yourself with the leading A4 and B5 cardboard book mailer boxes, let’s proceed to determining the perfect solution to suit your requirements.

In the following sections, we’ll discuss the importance of dimensions and weight, the significance of recyclability, and how to decipher closure types.

Understanding Dimensions and Weight

Choosing the right mailer box size is imperative, as it affects the dimensions and weight of the package you can ship. In turn, dimensions and weight will influence the cost of shipping.

A4 mailer boxes are generally larger, measuring 328mm x 220mm and weighing approximately 200g, while A5 mailer boxes measure 220mm x 160mm and weigh approximately 150g. These dimensions and weight make them suitable for shipping through the post.

Bear in mind that mailer box sizes vary, catering to a range of needs and requirements. Therefore, understanding the dimensions and weight of your items and the mailer boxes will ensure that you choose a strong, cost-effective, and suitable option for shipping your products.

The Importance of Recyclability

As environmental sustainability takes center stage, opting for recyclable mailer boxes emerges as a responsible decision. Recyclable mailer boxes, such as A4 and B5 cardboard mailer boxes, help reduce waste, conserve resources, and minimize pollution caused by the production of new materials.

Utilizing recyclable mailer boxes signifies your commitment to environmental consciousness and aids in creating a cleaner environment. Many customers appreciate and prefer businesses that take such steps, which can also result in cost savings associated with utilizing recyclable materials.

Deciphering Closure Types

Mailer boxes are available with various closure types, including dispensing closures such as auto locking bottom, corner punch out, full seal ends, turnbuckle, snap style latch, and self-locking ends. Non-dispensing closures include roll-end tuck top, taping, stapling, strapping, and gluing. To assemble these mailer boxes, simply choose the closure type that best suits your needs.

Grasping the nuances of various closure types and their implications on your packaging decisions is pivotal. The closure type that best suits your needs should be chosen based on factors such as ease of use, security, and the type of items being shipped. For example, peel & seal closures are convenient and secure, while taping or stapling may provide extra strength for heavier items.


In conclusion, A4 and A5 size cardboard book multi crease mailer boxes offer excellent protection, eco-friendliness, and ease of use for shipping your books and flat items. By understanding the importance of dimensions and weight, the significance of recyclability, and the various closure types, you can make an informed decision and choose the perfect mailer box for your needs. With the right mailer box, you can ship your products with confidence, knowing they’ll arrive in great condition.
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