Mailer or subscription boxes are designed to provide secure shipping while enhancing the unboxing experience. Lightweight yet sturdy, they are ideal for e-commerce orders, subscription services, and promotional shipments. Their self-locking structure helps protect products during transit while keeping packaging clean and presentable on delivery. These boxes can be fully customized with printing, logos, finishes, and structural features to support branding and product presentation. Options such as eco-friendly materials and die-cut designs add visual appeal without compromising durability. Mailer and subscription boxes offer a practical shipping solution while maintaining a polished, professional look.