In stock SKU MTM218

18 1/4 in ECT-32-B White Triangle Mailing Tubes 50/Bundle MTM218

$65.87 / bundle of 50$1.32 per tube
= 50 tubes · Item subtotal $65.87

Before shipping and tax. Final discounts and total are confirmed in the cart.

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Volume pricing — applied automatically in the cart
Quantity (bundle)Item-subtotal discount
1–2Base item price
3–53% off qualifying item subtotal
6+5% off qualifying item subtotal
Pallet or repeat ordersGet a delivered quote
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Shipping & returns details

Ships from U.S. warehouses. 30-day returns on unopened stock items.

Shipping cost and timing depend on the product, quantity and destination. Parcel or freight service is used as appropriate. Shipping discounts apply only to qualifying orders and rates.

Standard delivery is to street addresses in the contiguous U.S. Eligible returns must be unused and in original packaging; return shipping may apply.

Shipping policyReturn policy

Need a hand? Talk to our team

Inside dimensions 18 1/4" × 18 1/4"
Board / material ECT-32-B Corrugated
Color White
Freight class Class 125

From our customers

“The packaging is sturdy, well-made, and looks professional. We’re really pleased with the quality.”

Kerri PorterAmerican Vulkan

“They helped us choose the right packaging for our products and made ordering easy.”

Scott HobbsPackrift customer

“Ordering was easy, everything arrived as described, and we’ll definitely order again.”

Cheryl ChristSimply Home Relocation
Questions before you order?Talk to us

Specifications

Inside dimensions18 1/4" × 18 1/4" (L × W)
Board / materialECT-32-B Corrugated
ColorWhite
Sold asBundle of 50
Physical units per order increment50 (one bundle)
Bundle weight13.24 lb
Outer carton (shipping)26.0 × 16.75 × 5.5 in
LTL freight classClass 125
SKUMTM218

About this item

SKU MTM218 — 18 1/4" × 18 1/4", ECT-32-B Corrugated, White. Sold as a bundle of 50, shipped from US warehouses.

18 1/4" white mailers in paper stock, packed 50 per bundle (SKU MTM218); 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 bundle of 50.

Common questions

How does the triangle design reduce shipping costs?
The triangular profile creates a lower dimensional weight ratio than round tubes while providing stackability and reducing dimensional surcharges from major carriers. The flat-ship design also cuts inbound freight by up to 70% compared to assembled round alternatives.
Do these tubes require tape, glue, or assembly equipment?
No. These one-piece tubes feature integrated locking tabs that engage automatically when folded. Assembly takes 3-5 seconds per tube with zero additional materials needed.
What is ECT-32-B corrugated, and why does it matter?
ECT-32-B indicates 32 ECT (Edge Crush Test) strength, providing robust protection for rolled documents and fragile items during handling and transit. This standard durability rating ensures compliance with shipping carrier requirements and minimizes damage claims.
Can these tubes be customized or branded?
These are standard white tubes sold in bulk bundles of 50. For custom printing or branding options, contact our sales team for minimum order requirements and pricing on branded solutions.

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.