9 x 11 1/2" Kraft Self-Seal Stayflats Plus® Mailers
- Manufactured from .028 kraft chipboard.
- Lightweight to save on postage.
- No additional stiffeners needed.
- Peel-and-seal closure.
- Pull tab tear strip for easy opening.
Stock Number | Pricing |
|---|---|
| Stock NumberRM2K | Pricing |

Outside Dimensions W x L: 9 x 11 1/2"
Thickness: .028
Quantity Per Case: 100
Order in Multiples of: 1
Freight Class: 60
Weight: 16.32 EA
NMFC Code: 20475-11
Ships Parcel: Yes
Stayflats Plus® Kraft Self-Seal Mailers are rigid, board-construction mailers built from .028 kraft chipboard that maintains a flat, unbending profile through the entire shipping and handling process — no separate stiffener inserts required. The self-adhesive peel-and-seal closure bonds securely without moisture activation, keeping contents protected from open to sealed in a single motion.
These mailers are well suited for e-commerce sellers shipping photos, fine art prints, architectural drawings, and legal documents, as well as print labs, fulfillment centers, and office shipping departments sending flat materials that cannot be folded or creased. The pull-tab tear strip on the opposite end lets recipients open the mailer cleanly without scissors or risk of damaging enclosed materials.
Each mailer measures 9" x 11.5" interior and is constructed from .028 kraft chipboard. The lightweight build helps minimize dimensional weight in parcel shipments. Sold in cases of 100.
We use cookies to provide essential site functionality for the shopping cart, login, and security. We also use third-party cookies for analytics and advertising, which require your consent. You can accept all cookies, customize your preferences, or reject non-essential cookies. See our privacy policy for more details.

























