24.25 in ECT-32-B White Corrugated Triangle Mailing Tubes 50-Pack MTM324
$124.85
/ bundle of 50$2.50 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
24 1/4" × 24 1/4"
Board / material
ECT-32-B Corrugated
Color
White
Freight class
Class 125
Specifications
| Inside dimensions | 24 1/4" × 24 1/4" (L × W) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | White |
| Sold as | Bundle of 50 |
| Order in multiples of | 50 |
| Bundle weight | 23.34 lb |
| Outer carton (shipping) | 34.75 × 23.0 × 6.0 in |
| LTL freight class | Class 125 |
| SKU | MTM324 |
About this item
SKU MTM324 — 24 1/4" × 24 1/4", ECT-32-B Corrugated, White. Sold as a bundle of 50, shipped from US warehouses.
24.25" white mailers in paper stock, packed 50 per pack (SKU MTM324); this is a second listing of the same BOX case stock at the same price.
Sized for shipping and fulfillment work; closes with tape or the built-in flap. Order by the pack of 50.
Common questions
How do triangle tubes improve packing efficiency compared to round tubes?
Triangle tubes open along their length for faster loading of rolled items without rotating or forcing contents. The flat opening design reduces pack time by up to 40% and eliminates jamming issues common with round tube designs.
Do these tubes require tape, glue, or special tools to assemble?
No. The one-piece design features integrated locking tabs that fold and lock securely without tape, glue, or assembly tools. Tubes are ready to pack immediately after unfolding.
What is ECT-32-B and why does it matter for shipping?
ECT-32-B is a corrugated cardboard grade with 32 ECT (edge crush test) rating, meeting ISTA and shipping compliance standards. This provides reliable crush resistance and puncture protection for contents during storage and transit.
How much space do flat-pack tubes save versus pre-assembled inventory?
Flat-pack tubes reduce storage footprint by approximately 75-80% compared to pre-assembled tubes, lowering warehouse costs and enabling faster inventory rotation for high-volume shippers.
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.