3x3x30" Kraft Square Mailing Tubes - Non-Roll Design, 25-Pack
$59.78
/ bundle of 25$2.39 per mailer
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Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
3" × 3" × 30"
Board / material
ECT-32-B Corrugated
Color
Kraft
Freight class
Class 125
Specifications
| Inside dimensions | 3" × 3" × 30" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | Kraft |
| Sold as | Bundle of 25 |
| Order in multiples of | 25 |
| Bundle weight | 9.16 lb |
| Outer carton (shipping) | 39.75 × 17.25 × 3.0 in |
| LTL freight class | Class 125 |
| GTIN | 848109043425 |
| SKU | M3330K |
About this item
SKU M3330K — 3" × 3" × 30", ECT-32-B Corrugated, Kraft. Sold as a bundle of 25, shipped from US warehouses.
The 3x3x30" Kraft Square Mailing Tubes - Non-Roll Design, 25-Pack is a corrugated mailer for books, catalogs, apparel, subscription kits, samples, documents, and small e-commerce orders. Listed specs include inside dimensions 3" x 3" x 30"; kraft material; Bundle 25. The mailer format works when the product needs a presentation-style carton or compact shipping box instead of a standard RSC case.
Common questions
Why choose square tubes over round mailing tubes?
Square tubes eliminate rolling during transit, reducing product shift and damage. They stack efficiently in shipping containers, maximizing truck/pallet space and lowering dimensional weight charges. The flat bottom also provides professional shelf presence on customer doorsteps.
How quickly can these tubes be assembled for shipping?
These one-piece tubes fold together in seconds without tape, glue, or tools. High-volume shippers can assemble and fill 200+ tubes per hour, significantly reducing labor costs compared to traditional two-piece or taped alternatives.
What makes ECT-32-B kraft material ideal for shipping?
ECT-32-B (Edge Crush Test 32 pounds per linear inch) delivers robust protection for most e-commerce shipments while maintaining cost efficiency. Kraft construction is fully recyclable, supporting sustainability goals and reducing customer returns due to damage.
Are these tubes compliant with shipping carrier requirements?
Yes. ECT-32-B corrugated kraft tubes meet USPS, UPS, and FedEx packaging standards for domestic and international shipping. The sturdy construction ensures compliance with carrier drop-test and pressure-stack requirements.
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.