5x5x43 ECT-32-B White Square Mailing Tubes 25-Pack M5543
$117.35
/ bundle of 25$4.69 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
5" × 5" × 43"
Board / material
ECT-32-B Corrugated
Color
White
Freight class
Class 125
Specifications
| Inside dimensions | 5" × 5" × 43" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | White |
| Sold as | Bundle of 25 |
| Order in multiples of | 25 |
| Bundle weight | 21.2 lb |
| Outer carton (shipping) | 56.25 × 27.0 × 3.0 in |
| LTL freight class | Class 125 |
| SKU | M5543 |
About this item
SKU M5543 — 5" × 5" × 43", ECT-32-B Corrugated, White. Sold as a bundle of 25, shipped from US warehouses.
5x5x43" white mailers in paper stock, packed 25 per pack (SKU M5543); 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 25.
Common questions
How do square tubes improve packing efficiency compared to round mailing tubes?
Square tubes eliminate rolling during packing and transport, reducing pallet waste and allowing tighter box stacking. This increases load density, lowers shipping costs, and accelerates warehouse packing operations by eliminating repositioning time.
What is ECT-32-B corrugated, and why does it matter for shipping compliance?
ECT-32-B (Edge Crush Test 32) corrugated meets ISTA and FEMA shipping standards for medium-weight items. This material certification ensures compliance with carrier regulations and insurance requirements for domestic and international shipments.
Can these tubes be assembled without special equipment or adhesives?
Yes. The one-piece design folds together in seconds with finger pressure only, no tape, glue, staples, or tools required. This rapid assembly significantly reduces labor time during high-volume shipping operations.
What products ship best in these 43-inch square tubes?
Ideal for rolled posters, blueprints, documents, textiles, artwork, fabric samples, promotional items, and cylindrical products up to 5" diameter. The 43" length accommodates most standard poster sizes and industrial rolls while maintaining structural integrity.
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.