What Are Mailer Boxes? Choose the Right Size and Style Mailer Box for Safe Delivery
Waqas Khan Pitafi 2025-07-08 13:32:42

Enhance Your Brand Appeal with Bespoke Custom Mailer Boxes!
E-commerce businesses, like yours, are primarily concerned with the protection of their products till they are delivered to their customers. Perfectly crafted mailer boxes are ideal in boosting ecommerce brand recognition, customers' joyous unboxing experience, and reducing return rate. Custom mailer boxes are produced with highly protective packaging materials to meet the custom packaging requirements of e-commerce brands.
Read this blog to learn how effectively you can produce and use the mailer boxes for your e-commerce brand to stand out in your competitive market. Before moving ahead, learn what are mailer boxes? Benefits for Australian eCommerce businesses will be discussed later in this blog.
What are mailer boxes?
Mailer boxes are the custom packaging solution to protect the package during transit with durable and high-quality packaging materials. These boxes are designed to reduce the damage in transit and produce stylish and well-constructed mailer boxes, to create a distinction with your competitors and leave a lasting impression on your prospects.
Benefits for Australian eCommerce Businesses
The prime objectives of the customised mailer boxes are to protect the products, reduce the return rate, and enhance the customer unboxing experience of ecommerce businesses. For the ideal presentation of the products, you might get cost-effectiveness, damage reduction, and customer satisfaction.
Create meaningful packaging for your e-commerce business with careful attention to your customers' orders.
The following are some of the benefits you might gain for your brand:
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Enhancing Customers’ Experience
Effectively crafted mailer boxes enhance customer experience and help your business to win customer loyalty for future purchase behaviours. By creating highly persuasive and appealing mailer boxes, you make the customers' experience more memorable, and hence reinforce your brand.
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Versatile for All Products
Mailer boxes, when crafted with customised specifications, might accommodate the product's packaging effectively and efficiently. At the same time, these boxes are ideal for communicating the commitment to your customers with personalised care and attention to their products.
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Cost-Effective Shipping Solutions
Mailer boxes usually do not require any extra adhesive, belly band, or closure accessories for the package of your custom orders. Rather, these boxes are produced with self-adhesive, auto bottom closures and flap options to make them more protective. These boxes are also ideal for small products, like jewellery and cosmetics, and large items, like clothing and electronics.
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Plenty of Space for Printing
The mailer boxes are generally produced with ample space to produce some personalised printing options to add a personal touch and make customers feel valued and appreciated. With the personalised printing, lamination, coating, and finishing, you might maintain a polished presentation aligned with your visual identity.
Types of Mailer Boxes
A variety of mailer boxes are used to deliver products by e-commerce businesses. Some of these packaging boxes include auto bottom tuck boxes, top flap auto bottom tuck end boxes, and double-layered cardboard mailer boxes. The list still goes on. For your idea, here are a few more options of custom mailer boxes mentioned:
- Printed Corrugated Mailer Boxes
- Double Wall Tuck Top Mailer Boxes
- Custom Roll End Tuck Top Boxes
- Personalised Mailer Boxes with Dividers
Difference Between Shipping and Mailer Boxes
Mailer boxes and shipping boxes are two different packaging box options. Though both of these boxes are used for transportation and shipment, they differ in their primary objectives. Personalised mailer boxes are used to package smaller items with maximum branding possibilities.
While the shipping boxes are ideal for large products with less likely to promote your brand identity and image. The following are some major points of distinction between these two packaging boxes for the transportation of products:
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Function
The primary function of mailer boxes is to transport small items, and they are widely used for e-commerce businesses. On the other hand, shipping boxes are used for heavier and larger products with extra protective packaging materials for the greater protection of the products.
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Closures
Mailer boxes are designed to become self-sufficient in closure, and no external packaging materials or packaging accessories are required. While the shipping boxes largely depend on the packaging accessories, like packaging tapes, adhesives, and some other closures, for the protection of products.
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Cost
Mailer boxes that are produced for small items are in no need of extra cushioning and protection are likely to be cost-effective. On the other hand, shipping boxes are costly due to their dependency on extra cushioning, packaging supplies, and other materials.
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Usage
Personalised mailer boxes are ideal for brand promotions and corporate gifting. These boxes provide a hassle-free delivery experience and pack orders quickly and efficiently. While the shipping boxes are primarily focused on the protection of large items, with the use of extra cushioning and protective materials options.
Customisation of Mailer Boxes
An endless customisation options are available to boost your brand distinction in your target market with your personalised packaging of your mailer boxes. For effective and result-oriented mailer boxes, you should consult the reliable custom packaging solution providers to stand out in your competitive market.
The most important and greatly effective personalised packaging options are listed here to consider for your precise attention to your brand packaging:
- Choosing Packaging Materials
- Colour Selection & Printing Technology
- Die Cutting and Laser Cutting
- Custom Shapes and Styles
- Coating, Foiling, and Other Finishing Choices
Conclusion
After reading this blog, you might get a comprehensive knowledge of mailer boxes. You might consider using this learning for your e-commerce greater packaging of your brand. Mailer boxes offer you unlimited opportunities, like increased brand visibility, easy assembly and packaging, and maintaining your product's quality, safe and sound during transit.
A mailer box is a self-locking cardboard or corrugated box used for shipping products. It features interlocking flaps that keep the contents secure without needing tape, making it ideal for eCommerce packaging.
Mailer boxes are strong, easy to assemble, and customizable. They offer excellent product protection, reduce shipping damage, and enhance branding through custom printing and eco-friendly materials.
Measure your product’s length, width, and height, then add 1–2 inches to each dimension to allow space for cushioning. Choosing a snug-fitting box reduces movement during transit and saves on shipping costs.
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Tuck top mailer boxes: Sleek design with front-tucking lid.
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Roll end tuck top (RETT): Extra flaps for security and strength.
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Custom die-cut mailers: Unique shapes/sizes for specific products.
Yes. Most mailer boxes are made from kraft or corrugated cardboard and are 100% recyclable, biodegradable, and reusable—especially when ordered from sustainable packaging suppliers like OXO Packaging.
Absolutely. Custom mailer boxes can include your logo, brand colors, product info, and even QR codes. This improves brand recognition and elevates the unboxing experience for customers.
Mailer boxes are self-locking and often more visually appealing—perfect for direct-to-consumer deliveries. Shipping boxes are typically larger, sealed with tape, and used for bulk or industrial shipping.
Mailer boxes are used to ship cosmetics, clothing, tech gadgets, food items, subscription kits, gifts, and small electronics. They're popular across DTC, retail, and B2B sectors.