This mailbox is made of E-flute, f-flute or B-Flute single wall corrugated board, double-sided color printing, customized surface coating, bronzing UV process, and personalized and safe transportation of your fabrics, shoes, electronic products, small household appliances, candy and other products. Add compelling structural design elements to your e-commerce products with our 100% custom printed square folding top shipping box. Our high-quality mailing boxes can provide the best product display and protection for your gifts and products to ensure that your customers can participate in the excellent unpacking experience.