11x17 Cardboard Mailing Boxes — 4-Pack Flat Mailers

Ship or Store Tabloid Documents, Posters, Comic Books, Pressboard Folders, Binders, and Picture Frames

Key Features

• Mail 11x17 Securely: Rigid flat mailers protect tabloid sheets, posters, comic books, blueprints, binders, and more. Keeps pages flat and corners safe in transit or storage.
• Fits up to 100 Sheets: Sized for 11x17” paper; sturdy enough to hold 100 sheets of 28 lb bond for drawings, plans, prints, and presentation materials.
• Durable Corrugated Board: Heavyweight white corrugate with overlapping flap adds rigidity; opaque finish shields contents from view and light.
• Multi-Use Mailers: Compatible with all major postal carriers. Ideal as picture frame boxes or for pressboard folders, binders, and other 11x17 items.
• Practical 4-Pack: Stock up for studios, architecture firms, artists, and small businesses that need reliable flat document shipping and archiving.

Product Description

4-Pack of Rigid Mailing Boxes for Posters, Prints, and More
Protect 11x17 documents from edge wear, curling, and handling damage with these sturdy flat mailers. Whether you’re sending architectural plans, comic books, or tabloid-size folders, the rigid white corrugated board helps items arrive neat and professional.

Secure, Clean, and Professional
Each mailer features an overlapping flap for added structure and an opaque finish to keep contents private. Built for shipping or long-term storage, these boxes are easy to label and stack—perfect for creative studios, offices, and field teams.

Specs & Highlights

• Holds up to 100 sheets of standard 11x17 tabloid paper
• Heavy-duty white corrugated board with flap closure
• Opaque to hide and protect contents
• Ships via all major postal carriers
• Includes 4 low-profile boxes for mailing or storage

Made For

• Engineering drawings, blueprints, and technical sketches
• Posters, art prints, and comic books
• Pressboard folders, binders, and picture frames (11x17)
• Studios, architecture firms, artists, and small businesses

Save your oversized documents from bends and corner dings with flat mailers sized just right for 11x17. Practical protection for shipping or archiving—without the bulk.