12x9x4 Shipping Boxes Set of 20, Brown Corrugated Cardboard Mailer Box

These 20-pack, easy-assemble shipping boxes (12x9x4 inches) require no tape or glue and are crafted from sturdy, crush-resistant corrugated cardboard. Ideal for mailing small, fragile items, their blank kraft surface is perfect for branding, offering a professional, eco-friendly packaging solution.

• Easy to Assemble: These small shipping boxes are assembled in seconds without tape, glue, or staples. Please refer to the guidance in the video or images.
• Crush Resistant: Compared with the traditional design, high-quality corrugated cardboard with slots makes the rectangular mailing boxes RELIABLE AND STURDY, and the standard 90°angles will protect the items inside.
• Widely Used: Recyclable 12 x 9 x 4 shipping box fit for mailing, packaging, and storing small and lightweight fragile items, such as books, CDs, T-shirts, hats, mugs, and so on, can meet most carrier specifications.
• Fine Kraft Paper Surface: No printings on the 12x9x4 cardboard boxes and great for small businesses to displaying your brand, label, and gift stickers. Gives your products that professional final touch when reaching customers.
• Pack of 20: All 20 kraft brown literature mailers PACKED IN A BIGGER CARTON to prevent damage during transit, and flat packing method to reduce volume and storage space.