12x9x4 Inches Shipping Boxes Set of 20,White Corrugated Cardboard Box Literature Mailer for Small Business, Literature Mailer Box Packaging Supplies

Keep your shipping and mailing needs organized with these versatile WINHPH corrugated cardboard boxes. Each set includes 20 sturdy white mailer boxes measuring 12 inches long, 9 inches wide, and 4 inches high - perfect dimensions for shipping literature, documents, small products, and business materials. These professional-grade literature mailers provide reliable protection during transit while maintaining a clean, presentable appearance. The durable corrugated construction offers strength and stability for your items, making these boxes ideal for small business shipping needs. The consistent white finish gives your shipments a polished look that represents your business well. These multi-purpose boxes arrive flat and assemble quickly when needed, helping you save storage space while keeping shipping supplies readily available.

• Dimension: The white shipping boxes with an outer size of 12'’x9''x4'', and a usable size of 11.6''x8.9''x3.9''. With 20 packs of our affordable shipping boxes, it is suitable for packaging small business.
• Sturdy & affordable: The mailer box With 3-layer corrugated cardboard materials and double bottom plate design, our 12x9x4shipping boxes are durable and reliable enough to protect their contents during transport.
• Quick Assembly: The shipping boxes folds into shape rapidly without glue or tools, making it easy to store. Quick-fold design allows for efficient setup and storage when not in use, saving time and space.
• VERSATILE USE: Literature mailer boxes are suitable for transporting documents, books, gifts, and various small business shipping needs.
• Safety buckle design：The secure snap-lock design ensures the box packaging remains stable and safe.