Professional-grade ECT-32-B white corrugated mailers sized 7" x 5" x 1" designed for warehouse managers shipping literature, samples, and lightweight items. One-piece fold-and-tuck design eliminates tape and assembly time while double-wall construction provides crush resistance. Sold as 50/bundle to maximize your freight efficiency and reduce per-unit costs.

In Stock SKU: M751

7x5x1 ECT-32-B White Corrugated Mailers, 50/Bundle

Name: 7x5x1 ECT-32-B White Corrugated Mailers, 50/Bundle
Brand: Packrift
SKU: M751
Price: 40.57 USD
Availability: InStock

7x5x1 ECT-32-B White Corrugated Mailers, 50/Bundle. Use this item for shipments or presentation packs where the product fits the listed inside dimensions and closure style. Listed specs include size 7 x 5 x 1 in; material corrugated; sold as 50/Bundle. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

$40.57 / BUNDLE (50 PER BUNDLE)

Delivery shown at checkout

Confirm this specSKU M751

7x5x1 ECT-32-B White Corrugated Mailers, 50/Bundle: compare by inside dimensions, board type, closure, color, and case quantity. Confirm SKU, sold-as unit, price, availability, and checkout delivery before ordering.

Size: 7 x 5 x 1 in
Material: ECT-32-B Corrugated
Color: White
Sold as: BUNDLE (50 PER BUNDLE)
Freight class: 125
Material: ECT-32-B White Corrugated
Dimensions: 7" Length x 5" Width x 1" Depth
Construction Type: One-Piece Fold-and-Tuck Mailer

Good fit 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.

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Exact-spec procurement

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SKU: M751
Product: 7x5x1 ECT-32-B White Corrugated Mailers, 50/Bundle

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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 Right Packaging

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 White Corrugated
Dimensions	7" Length x 5" Width x 1" Depth
Construction Type	One-Piece Fold-and-Tuck Mailer
Quantity Per Bundle	50 Mailers
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 50/Bundle. 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 Bought Together

Related supplies

Frequently Asked Questions

ECT-32-B provides 32 pounds of edge crush strength, ideal for protecting lightweight to medium-weight items during multi-stop distribution. This rating balances crush resistance with cost efficiency for high-volume B2B shipping programs.

One-piece fold-and-tuck design eliminates tape, glue, and stapling, reducing assembly time to seconds per mailer. This translates to significant labor savings in high-throughput fulfillment centers processing hundreds of shipments daily.

Yes. The 1" depth is optimized for flat items and small products, reducing volumetric weight calculations versus oversized boxes. Combined with lightweight corrugated material, you'll see measurable postage savings on carrier billing.

Yes. The oyster white corrugated surface accepts offset printing, flexographic printing, and digital imprinting for logos, return addresses, and marketing messages, making it ideal for branded fulfillment and direct mail campaigns.

Technical Specifications

Construction Type	One-Piece Fold-and-Tuck Mailer
Quantity Per Bundle	50 Mailers
Recyclable	Yes
Color	White
Strength / Material	ECT-32-B Corrugated
Dimensions (Internal)	7"" × 5"" × 1"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

18.0" × 13.75" × 6.0" (L × W × D)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

50 PER BUNDLE

LTL Freight Class

Class 125

Delivery Method

Shown at checkout

ORDER SUPPORT

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.

Secure checkout LTL freight available on case/skid orders

Buyer guides

Pick the right material, size, and gauge before you order.

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

Buying route Compare mailer vs box

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

Corrugated Box Buying Guide

How to pick Single, Double, or Triple wall for your weight and stack requirements.

Read Guide →

How to Measure for Shipping

Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.

Read Guide →