30x20x5cm White Corrugated Mailer Box Custom E-commerce Packaging

Protect your products with our White Outside Corrugated Mailer Boxes – designed for durability, style, and sustainability. Sized at 30×20×5 cm, these boxes are perfect for packaging books, cosmetics, clothing accessories, electronics, and small gifts.

Made from high-strength corrugated cardboard with a clean white exterior, these mailer boxes are ideal for e-commerce shipping, retail packaging, or subscription boxes. The flat-pack design saves space and reduces shipping costs, while the smooth surface is perfect for applying custom logos, stickers, or labels.

Whether you're a small brand or a bulk buyer, we offer low MOQs, fast turnaround times, and support for OEM/ODM customization.

Our factory specializes in manufacturing eco-friendly and customizable paper packaging, including mailer boxes, gift boxes, paper bags, and other retail packaging products. With years of experience and advanced production equipment, we are committed to delivering packaging solutions that combine functionality, branding, and sustainability.

We offer full OEM & ODM services, supporting custom sizes, colors, printing, materials, and finishes to meet the specific needs of global brands, wholesalers, and e-commerce businesses. Whether you need small-volume trial orders or large-scale production, our team ensures fast lead times, strict quality control, and responsive communication from start to finish.