Cardboard mailer boxes are a popular choice for shipping and mailing various products due to their combination of affordability, durability, and versatility. These boxes are primarily made from cardboard, which comes in different grades and thicknesses to suit different shipping needs. Single - wall cardboard is often used for lightweight items, providing a cost - effective and lightweight solution. It is flexible enough to be easily folded and assembled, yet sturdy enough to protect the contents during transit. Double - wall or even triple - wall cardboard is preferred for heavier or more fragile items, as it offers enhanced strength and protection. The construction of cardboard mailer boxes typically includes features that ensure secure closure and easy handling. Tuck - in flaps, adhesive strips, or locking tabs are commonly used to seal the boxes, preventing the contents from falling out or getting damaged. Some mailer boxes may also have perforated edges, making it easy for recipients to open the box without the need for sharp tools. In terms of design, cardboard mailer boxes can be customized to meet the specific requirements of businesses. They can be printed with company logos, shipping information, promotional messages, or product images using various printing techniques, such as flexographic printing, digital printing, or screen printing. This customization not only helps with brand recognition but also provides a professional and cohesive look for the shipped products. Additionally, cardboard mailer boxes are highly recyclable, making them an environmentally friendly choice. After use, they can be easily recycled, reducing waste and contributing to a more sustainable packaging solution. Whether used for e - commerce shipping, sending samples, or mailing promotional materials, cardboard mailer boxes offer a practical and reliable option for businesses of all sizes.