E-commerce brands and direct mail marketers shipping catalogs, brochures, and promotional materials need reliable, professional packaging that protects contents without custom tooling costs. The 12 x 12 x 3" white literature mailer delivers crush-resistant ECT-32-B corrugated construction in a compact footprint ideal for flat goods that demand impact protection during transit.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-32-B White Corrugated |
| Dimensions | 12" L x 12" W x 3" H |
| Construction Type | One-Piece Die-Cut Mailer with Fold-and-Tuck Closure |
| Quantity Per Bundle | 50 Mailers |
| Recyclable | Yes |
Common Use Cases
- Catalog and brochure distribution to customer lists Direct mail marketing campaigns for retail promotions Portfolio and sample shipments for creative professionals Trade show materials and conference handout delivery Educational materials and course workbook fulfillment
What You'll Receive
- 50 assembled white corrugated literature mailers (12 x 12 x 3 inches) Ready-to-use one-piece design with integrated closure tabs
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
No. The one-piece design features snug-fitting tuck-and-fold tabs that create a secure closure without tape, glue, or additional materials. This accelerates packing speed and reduces per-unit assembly costs.
ECT-32-B construction handles flat goods like catalogs, brochures, printed materials, documents, and soft-goods samples. The 3-inch depth accommodates stacked materials up to approximately 2.5 inches. For heavier items, verify weight capacity against your specific content.
ECT-32-B (Edge Crush Test 32 pounds) provides puncture resistance and crush strength compared to lighter grades like ECT-26. This protects professional content from damage during rough handling in postal and parcel networks, reducing customer complaints and returns.
Yes. White corrugated cardboard is 100% recyclable and made from renewable fiber sources. Using these mailers aligns with sustainability initiatives and supports your brand's environmental commitments to eco-conscious customers.
Technical Specifications
| Material | ECT-32-B White Corrugated |
| Dimensions | 12" L x 12" W x 3" H |
| Construction Type | One-Piece Die-Cut Mailer with Fold-and-Tuck Closure |
| Quantity Per Bundle | 50 Mailers |
| Recyclable | Yes |
| Color | White |
| Strength / Material | ECT-32-B Corrugated |
| Dimensions (Internal) | 12"" × 12"" × 3"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
33.5" × 25.5" × 5.75" (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
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Buyer guides
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