Mailer Boxes are simple and easy to fold. Plastics and other harmful materials go to the landfill less often with the use of these boxes.. Using these environmentally friendly mailer boxes you can send gifts to family or friends with the utmost safety. Among businesses, the use of mailer boxes is in widespread demand due to their cost-effectiveness. An elegant box with a hint of nature. Embrace prints to create a lasting impression. It is recommended to use dark colors for logos, artworks. Eco-friendly boxes are extremely popular.