Ship literature, catalogs, and marketing materials with professional-grade white corrugated mailers designed for secure, damage-free delivery. These 7 3/8 x 7 3/8 x 1 3/8 fold-and-tuck literature mailers feature ECT-32-B strength, integrated self-sealing tabs, and quick assembly. One bundle of 50 ready-to-use corrugated mailer boxes.

In stock SKU MMC1

7 3/8x7 3/8x1 3/8 White Corrugated Literature Mailers - 50 Pack

Name: 7 3/8x7 3/8x1 3/8 White Corrugated Literature Mailers - 50 Pack
Brand: Packrift
SKU: MMC1
Price: 25.68 USD
Availability: InStock

$25.68/ BUNDLE

$0.51 per unit

Sold in BUNDLE of 50

Specifications

SKU	MMC1
Dimensions	7 3/8" × 7 3/8" × 1 3/8"
Material / strength	ECT-32-B Corrugated
Sold as	BUNDLE of 50
Brand	Packrift
Freight class	125
GTIN	841436016704

Shipping & returns

Packrift ships from five US warehouses (Central IL, Northeast PA, South TX, Southeast GA, West CA). The nearest warehouse with stock ships your order. Final shipping cost is shown at checkout based on weight, dimensions, and ZIP.

Oversized or high-volume orders may route via LTL freight; the freight quote is calculated live at checkout.

Shipping policy · Refund policy · Support

Best For

Good fit for shipments or presentation packs where the product fits the listed inside dimensions and closure style. Confirm inside dimensions, board type, closure, color, and whether the item needs extra cushioning.

How to choose

The buying decision should be based on the exact inside dimensions, board type, closure, color, and case quantity, not the category name alone. Use the current product page as the source of truth for SKU, variant, price, availability, sold-as unit, and checkout delivery.

Specs at a Glance

Material	ECT-32-B Corrugated Cardboard
Dimensions	7 3/8" L x 7 3/8" W x 1 3/8" H
Color	White (Oyster White)
Design Type	One-Piece Fold-and-Tuck Mailer with Self-Sealing Tabs
Recyclable	Yes

Common Use Cases

Packing small ecommerce orders, kits, samples, gifts, documents, or parts in a folding mailer box.
Standardizing a branded or unbranded mailer-box size for repeat shipments.
Reordering by exact product link, SKU, or sold-as quantity.
Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.

What You'll Receive

This listing is sold as Bundle of 50. Check the current product page for variant details, price, availability, and pack count before checkout.

Shipping & Packaging

Delivery options and timing are shown at checkout based on item and destination. For larger quantities, freight-sensitive items, mixed-SKU needs, or recurring supply, send the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

Frequently Asked Questions

No. These are self-sealing tuck-and-fold mailers with snug-fitting tabs that close securely within the carton. Simply fold and insert, no adhesives, tape, or equipment needed.

ECT-32-B (Edge Crush Test 32 pounds per inch) provides crush resistance and puncture protection, ensuring your literature withstands handling, stacking, and shipping stress. This strength is ideal for protecting valuable marketing materials and maintaining brand presentation.

Yes. The pre-scored, one-piece design and consistent dimensions make these compatible with standard fulfillment equipment. Quick assembly and secure self-sealing closure work well in high-volume operations.

Absolutely. The 7 3/8" x 7 3/8" x 1 3/8" cavity accommodates flat to moderately thick items, samples, small parts, DVDs, folded garments, or documents. Crush-resistant construction protects delicate contents during shipping.

Technical Specifications

Design Type	One-Piece Fold-and-Tuck Mailer with Self-Sealing Tabs
Recyclable	Yes
Color	White
Strength / Material	ECT-32-B Corrugated
Dimensions (Internal)	7 3/8" × 7 3/8" × 1 3/8" (L × W × H)

Shipping Information

Outer Carton Dimensions

7 3/8" × 7 3/8" × 1 3/8" (L × W × H)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

50 PER BUNDLE

LTL Freight Class

Class 125

Delivery Method

Shown at checkout

Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.

Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.

For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

ORDER SUPPORT

Product Support

Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.

Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.

Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.

Contact product support

Secure checkout LTL freight available on case/skid orders

Buyer guides

Buying notes and spec resources stay here instead of taking space above the cart.

View all guides →

Use this product as the source 7 3/8x7 3/8x1 3/8 White Corrugated Literature Mailers - 50 Pack

Compare resources using the current product page data: SKU MMC1 , type Boxes - Mailers , sold-as unit BUNDLE / pack count 50 PER BUNDLE . Confirm the product page price, availability, and selected variant before ordering.

Compare usable size, padding, material, closure, and case quantity.

Product support Compare mailer vs box

Use this guide when item thickness or edge protection affects fit.