Industrial packaging buyers shipping tall, narrow items like posters, blueprints, documents, or rolled materials need a solution that prevents shifting during transit. These 37" white square mailing tubes deliver stability compared to round tubes while maintaining cost-efficiency with their lightweight ECT-32-B corrugated construction.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-32-B White Corrugated |
| Dimensions | 37" L x 2" W x 2" H |
| Design | One-Piece Flat-Ship with Fold-Together Assembly |
| Quantity Per Bundle | 50 Tubes |
| Recyclable | Yes |
Common Use Cases
- Shipping blueprints, architectural drawings, and technical documents Mailing rolled posters, artwork, and marketing materials Packaging tall promotional items and samples Shipping rolled textiles, fabric swatches, and material samples Protecting rolled signage and vinyl banners in transit
What You'll Receive
- 50 white square mailing tubes (flat-packed) Ready-to-fold design, no tape or glue required
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
Square tubes eliminate rolling during packing and shipping, reducing product damage and workplace inefficiency. They also nest more compactly in shipping containers, lowering dimensional weight charges and storage footprint compared to round alternatives.
No. These one-piece tubes fold together without tape, glue, or additional fasteners. Assembly takes seconds, reducing labor costs and allowing your team to pack faster while maintaining secure sealing.
ECT-32-B (Edge Crush Test 32 psi) is a durable, cost-effective corrugated standard that provides reliable protection for mid-weight items. This rating balances protective strength with affordability, making it ideal for bulk shipping applications where compliance and durability matter.
Yes. Corrugated cardboard tubes are fully recyclable through standard commercial recycling programs, helping you meet sustainability goals while reducing disposal costs.
Technical Specifications
| Material | ECT-32-B White Corrugated |
| Dimensions | 37" L x 2" W x 2" H |
| Design | One-Piece Flat-Ship with Fold-Together Assembly |
| Quantity Per Bundle | 50 Tubes |
| Recyclable | Yes |
| Color | White |
| Strength / Material | ECT-32-B Corrugated |
| Dimensions (Internal) | 2"" × 2"" × 37"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
43.0" × 11.75" × 6.0" (L × W × D)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
50 PER BUNDLE
LTL Freight Class
Class 125
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.
Buyer guides
Pick the right material, size, and gauge before you order.