8x6x3 ECT-32-B White Corrugated Mailers 50-Pack M863
$76.97
/ bundle of 50$1.54 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
8" × 6" × 3"
Board / material
ECT-32-B Corrugated
Color
White
Freight class
Class 125
Specifications
| Inside dimensions | 8" × 6" × 3" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | White |
| Sold as | Bundle of 50 |
| Order in multiples of | 50 |
| Bundle weight | 12.02 lb |
| Outer carton (shipping) | 22.25 × 21.0 × 6.0 in |
| LTL freight class | Class 125 |
| SKU | M863 |
About this item
SKU M863 — 8" × 6" × 3", ECT-32-B Corrugated, White. Sold as a bundle of 50, shipped from US warehouses.
8x6x3" white corrugated mailers in ECT-32-B corrugated board, packed 50 per pack (SKU M863); 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 pack of 50.
Common questions
What does ECT-32-B mean and why does it matter?
ECT (Edge Crush Test) 32-B indicates your mailer can withstand 32 lbs of crushing force per linear inch. This B-flute corrugation grade is ideal for lightweight shipments, it delivers adequate protection without excess material weight that increases postage fees. Use for items under 2 lbs.
How does one-piece design reduce fulfillment costs?
Workers simply fold the pre-scored mailer and tuck flaps, no tape, glue, or staples required. This eliminates material waste and cuts packing labor by approximately 40% versus traditional tape-sealed boxes. At scale, savings compound across thousands of units monthly.
What items should NOT go in 8x6x3 mailers?
Avoid heavy items over 3 lbs, sharp objects that may puncture walls, or liquids. While crush-resistant, ECT-32-B is rated for lightweight goods. For heavier products, upgrade to ECT-44-B or larger dimensions.
Are these compliant with major carrier dimensional weight pricing?
Yes. At 8x6x3", your dimensional weight is 1 lb, well below standard DIM thresholds (typically 5,184 cu in / 166 = ~31 lbs). This maximizes postage savings versus oversized packaging, critical for margin optimization on low-cost items.
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.