7.5x7x3.25 Kraft Literature Mailers - Self-Seal ECT-32B, 50-Pack

$49.04
/ bundle of 50$0.98 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 1/2" × 7" × 3 1/4"
Board / material
ECT-32-B Corrugated
Color
Kraft
Freight class
Class 125
Specifications
| Inside dimensions | 7 1/2" × 7" × 3 1/4" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | Kraft |
| Sold as | Bundle of 50 |
| Order in multiples of | 50 |
| Bundle weight | 12.04 lb |
| Outer carton (shipping) | 24.5 × 22.0 × 5.5 in |
| LTL freight class | Class 125 |
| GTIN | 848109032184 |
| SKU | MIBM1MK |
About this item
SKU MIBM1MK — 7 1/2" × 7" × 3 1/4", ECT-32-B Corrugated, Kraft. Sold as a bundle of 50, shipped from US warehouses.
Common questions
Do these mailers require tape, glue, or staples to assemble?
No. The fold-and-tuck design allows these literature mailers to assemble in seconds with zero additional materials, reducing assembly labor and keeping costs low for high-volume operations.
What material thickness provides crush resistance?
ECT-32-B corrugated kraft provides excellent crush resistance for protecting documents, catalogs, and marketing materials during shipping and storage without requiring custom reinforcement.
Are these mailers suitable for professional branding and direct mail?
Yes. The natural kraft finish delivers a professional, eco-conscious appearance ideal for premium direct mail campaigns, while the standard 7 1/2" x 7" x 3 1/4" size fits most literature without custom carton expense.
What's the minimum order quantity?
These literature mailers are sold as bundles of 50 units, making them economical for mid-to-large volume shippers while remaining accessible for growing e-commerce businesses.
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.



