4x3x2 ECT-32-B White Corrugated Mailers 50/Bundle M432
$17.38
/ bundle of 50$0.35 per mailer
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Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
4" × 3" × 2"
Board / material
ECT-32-B Corrugated
Color
White
Freight class
Class 125
Specifications
| Inside dimensions | 4" × 3" × 2" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | White |
| Sold as | Bundle of 50 |
| Order in multiples of | 50 |
| Bundle weight | 3.9 lb |
| Outer carton (shipping) | 12.75 × 10.75 × 5.75 in |
| LTL freight class | Class 125 |
| SKU | M432 |
About this item
SKU M432 — 4" × 3" × 2", ECT-32-B Corrugated, White. Sold as a bundle of 50, shipped from US warehouses.
4x3x2" white corrugated mailers in ECT-32-B corrugated board, packed 50 per bundle (SKU M432); this is a second listing of the same BOX case stock at the same price.
Sized for shipping and fulfillment work; closes with tape or the built-in flap. Order by the bundle of 50.
Common questions
What ECT rating does this mailer have and why does it matter?
ECT-32-B provides 32 ECT (Edge Crush Test) strength, ideal for protecting lightweight items during shipping. This rating balances crush resistance with cost efficiency, strong enough for fragile goods without overengineering for heavier products.
How quickly can my team assemble these mailers?
One-piece fold-and-tuck design requires no tape, glue, or staples. Team members can assemble boxes in seconds, reducing fulfillment labor by 40-60% compared to traditional setup-style boxes.
Will these mailers reduce my postage costs?
Yes. Lightweight corrugated construction minimizes dimensional weight charges on USPS, UPS, and FedEx parcel services. For high-volume shippers, switching to these mailers typically reduces per-unit shipping costs by 15-25%.
Are these mailers suitable for fragile items?
Yes. Double-wall crush-resistant design on front and sides protects fragile items like electronics, cosmetics, and glassware. The 4" x 3" x 2" size is optimized for small fragile packages that require extra protection without excess void fill.
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.