In stock SKU M5518GTIN 841436089333

5x5x18 ECT-32-B White Square Mailing Tubes - No-Roll Design, Bundle of 25

Ship smarter with our 5x5x18 white square mailing tubes. Unlike round shipping tubes, these won't roll during packing and transit–saving you time and reducing damage. One-piece construction in ECT-32-B corrugated folds flat for storage and ships ready to assemble without tape or glue. Bundle of 25 tubes.
$66.86 / bundle of 25$2.67 per mailer
= 25 mailers · Total $66.86
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 5" × 5" × 18"
Board / material ECT-32-B Corrugated
Color White
Freight class Class 125

Specifications

Inside dimensions5" × 5" × 18" (L × W × H)
Board / materialECT-32-B Corrugated
ColorWhite
Sold asBundle of 25
Order in multiples of25
Bundle weight11.36 lb
Outer carton (shipping)31.25 × 27.0 × 3.0 in
LTL freight classClass 125
GTIN841436089333
SKUM5518

About this item

SKU M5518 — 5" × 5" × 18", ECT-32-B Corrugated, White. Sold as a bundle of 25, shipped from US warehouses.

Ship smarter with our 5x5x18 white square mailing tubes. Unlike round shipping tubes, these won't roll during packing and transit, saving you time and reducing damage. One-piece construction in ECT-32-B corrugated folds flat for storage and ships ready to assemble without tape or glue. Bundle of 25 tubes.

Frequently bought with

Common questions

Why choose square tubes over traditional round mailing tubes?
Square tubes eliminate rolling during packing and storage, reducing damage risk and pack time. Their flat-stackable design uses 40% less warehouse space and prevents misalignment on conveyor systems, critical for high-speed fulfillment operations.
How quickly do these tubes assemble without tape or glue?
Operators can fold and secure these one-piece tubes in under 10 seconds per unit, with the interlocking flaps holding contents securely without additional adhesives. This dramatically accelerates fulfillment workflow and reduces material costs.
Is ECT-32-B corrugated strong enough for heavy items?
Yes. ECT-32-B (Edge Crush Test 32 lbs/inch) provides robust protection for items up to 30 lbs, meeting carrier crush-resistance standards for most commercial shipping applications without requiring reinforcement.
Can these tubes be customized or printed with branding?
Standard white tubes are ready-to-ship as-is. For custom printing or branded options, contact our account team for volume pricing on white label production, typical minimums are 500-unit orders.

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.

+1 (302) 216-2975 support@packrift.com Mon–Fri, Eastern Corrugated buying guide →