9 x 11 1/2" White Stayflats® Mailers
- Manufactured from white chipboard.
- Lightweight to save on postage.
- No additional stiffeners needed.
- Tab lock closure.
Stock Number | Pricing |
|---|---|
| Stock NumberRM2W | 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: 19.66 EA
NMFC Code: 20475-11
Ships Parcel: Yes
White Stayflats® Mailers in 9 x 11.5" provide rigid, bend-resistant protection through a white chipboard construction that eliminates the need for separate stiffener inserts. The integrated tab lock closure seals contents securely without tape or additional sealing materials, supporting efficient throughput in high-volume mailing environments.
These mailers are well suited for print shops, photography studios, legal and professional services offices, and e-commerce fulfillment operations shipping documents, photos, certificates, artwork prints, and presentation materials. Any content that must arrive flat and undamaged benefits from the structural rigidity chipboard provides over standard paper envelopes.
The lightweight chipboard construction keeps per-unit postage costs lower than padded or corrugated alternatives. Each case contains 100 mailers and ships via parcel carrier.
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