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

About this item

• 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.