In stock SKU MFL20204KGTIN 841436049238

20x20x4 Kraft Deluxe Literature Mailers - Crush-Proof, Self-Seal, 25-Pack

Professional-grade 20x20x4 kraft literature mailers engineered for maximum document protection. ECT-32-B corrugated construction resists crushing and punctures while our fold-and-tuck design assembles in seconds–no tape, glue, or staples needed. Bulk bundle of 25 boxes.
$123.96 / bundle of 25$4.96 per mailer
= 25 mailers · Total $123.96
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 20" × 20" × 4"
Board / material ECT-32-B Corrugated
Color Kraft
Freight class Class 125

Specifications

Inside dimensions20" × 20" × 4" (L × W × H)
Board / materialECT-32-B Corrugated
ColorKraft
Sold asBundle of 25
Order in multiples of25
Bundle weight29.43 lb
Outer carton (shipping)52.75 × 38.75 × 2.75 in
LTL freight classClass 125
GTIN841436049238
SKUMFL20204K

About this item

SKU MFL20204K — 20" × 20" × 4", ECT-32-B Corrugated, Kraft. Sold as a bundle of 25, shipped from US warehouses.

20x20x4 kraft literature mailers engineered for maximum document protection. ECT-32-B corrugated construction resists crushing and punctures while our fold-and-tuck design assembles in seconds, no tape, glue, or staples needed. Bulk bundle of 25 boxes.

Frequently bought with

Common questions

Do these mailers require tape or glue to assemble?
No. The front outside tuck closure with protective side flaps assembles in seconds without tape, glue, or staples, reducing labor time and assembly costs while maintaining professional presentation.
What level of puncture and crush resistance does ECT-32-B provide?
ECT-32-B corrugated construction delivers crush resistance and puncture protection, safeguarding documents and marketing materials during transit while maintaining structural integrity in warehouse stacking scenarios.
Are these mailers suitable for flat documents or thicker content?
Yes. The 4" depth accommodates flat literature, catalogs, and documents up to approximately 3.5" thickness, making them versatile for various fulfillment needs including marketing collateral, samples, and promotional packages.
Can I use these mailers for customer-facing shipments?
Absolutely. The natural kraft finish projects a premium, eco-conscious brand image, ideal for direct-to-consumer e-commerce brands that want professional presentation combined with sustainability messaging.

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 →