7x9" Kraft Self-Seal Stayflats Plus Mailers - Puncture-Resistant, Case of 100

$42.95
/ case of 100$0.43 per mailer
Request bulk pricing
Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
7" × 9"
Board / material
.028 Chipboard
Color
Kraft
Freight class
Class 60
Specifications
| Inside dimensions | 7" × 9" (L × W) |
|---|---|
| Board / material | .028 Chipboard |
| Color | Kraft |
| Sold as | Case of 100 |
| Order in multiples of | 100 |
| Case weight | 10.76 lb |
| Outer carton (shipping) | 11.5 × 10.25 × 7.5 in |
| LTL freight class | Class 60 |
| GTIN | 841436023726 |
| SKU | RM10K |
About this item
SKU RM10K — 7" × 9", .028 Chipboard, Kraft. Sold as a case of 100, shipped from US warehouses.
Common questions
Do these mailers require additional stiffeners or inserts?
No. The.028 chipboard thickness provides sufficient rigidity to protect contents without additional reinforcement, reducing material costs and assembly time.
Will the self-seal closure hold securely during shipping?
Yes. The peel-and-seal adhesive strip creates a permanent, tamper-evident seal that withstands standard shipping conditions and handling without reopening.
Are these mailers puncture-resistant?
Yes. The.028 kraft chipboard material resists punctures from handling equipment and shipping processes, protecting delicate items like photos and documents.
Can I reduce postage costs with these mailers?
Yes. The lightweight design minimizes dimensional weight charges when calculated by carriers, and no additional stiffeners are needed, reducing your per-unit shipping cost compared to heavier alternatives.
Order support
Questions on specs or freight?
Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.



