Mailer boxes are used for the shipping of any kind of commodities. Definitely, all the online suppliers and e-commerce suppliers use only mailer boxes because of the following reasons. These boxes are book-like in shape and you can open them easily from the top of the lid. In addition to this, its two double side walls are strong enough to carry and display your product as a literature book. Because of its resemblance to the book shape box, these are also known as literature mailer boxes.
One thing that you should know about them, these are made up of corrugated material. This material has zig Zag layers and these are strong and bear the pressure of jerks during the shipping of the goods. These are affordable and easily available in the market. So, you can get them easily at the amazon.com Alibaba.com and at Wall-mart stores. Use them either for the gifts, cosmetics, display and retail product packaging. However, these are best for e-Commerce packaging.