6x6x3 ECT-32-B White Corrugated Mailers 50-Pack
$80.23
/ bundle of 50$1.60 per mailer
Request bulk pricing
| Quantity (bundle) | Item-subtotal discount |
|---|---|
| 1–2 | Base item price |
| 3–5 | 3% off qualifying item subtotal |
| 6+ | 5% off qualifying item subtotal |
In stock · ships within 1 business day from the nearest of 5 US warehouses (IL, PA, TX, GA, CA) · 1–5 business days in transit · freight calculated at checkout · free ground shipping on orders over $99 (parcel rates up to $29.95) and over $500 (up to $120)
30-day returns on stock items · Return policy
Inside dimensions
6" × 6" × 3"
Board / material
ECT-32-B Corrugated
Color
White
Freight class
Class 125
Specifications
| Inside dimensions | 6" × 6" × 3" (L × W × H) |
|---|---|
| Board / material | ECT-32-B Corrugated |
| Color | White |
| Sold as | Bundle of 50 |
| Physical units per order increment | 50 (one bundle) |
| Bundle weight | 10.48 lb |
| Outer carton (shipping) | 22.0 × 18.75 × 5.5 in |
| LTL freight class | Class 125 |
| GTIN | 841436059534 |
| SKU | M663 |
About this item
SKU M663 — 6" × 6" × 3", ECT-32-B Corrugated, White. Sold as a bundle of 50, shipped from US warehouses.
The 6x6x3 ECT-32-B White Corrugated Mailers - Crush Resistant, 50-Pack is a corrugated mailer for books, catalogs, apparel, subscription kits, samples, documents, and small e-commerce orders. Listed specs include inside dimensions 6" x 6" x 3"; white material; ECT-32-B; 50/Bundle. The mailer format works when the product needs a presentation-style carton or compact shipping box instead of a standard RSC case.
Ideal for shipping apparel, books, mugs, accessories, gifts, and small fragile items. A sturdy, reliable choice for small-business, Etsy, and ecommerce shippers.
Common questions
What ECT rating is this mailer, and why does it matter?
ECT-32-B (Edge Crush Test 32 lbs/inch) provides reliable stacking strength for single-item shipments and moderate multi-box palletizing. This rating balances durability with lightweight shipping costs, critical for B2B operations managing margin pressure on postage.
How much labor time does the fold-and-tuck design save versus taped boxes?
Operators assemble these mailers in 3-5 seconds with zero materials, compared to 10-15 seconds for taped alternatives. At 500 units/day, this design saves approximately 1.5-2 hours of labor per shift, directly improving fulfillment throughput and reducing packing line bottlenecks.
Can I stack filled mailers on a pallet, and what's the recommended height?
Yes. ECT-32-B construction supports stacking up to 5-6 layers deep (typically 30-40 boxes high) depending on item weight and pallet configuration. Always test with your specific product weight and shipping distance to ensure protection and dimensional stability.
What's the dimensional weight impact of using 663 mailers versus larger alternatives?
A 663 mailer = 108 cubic inches. For every 166 cubic inches charged as 1 lb, this mailer reduces dimensional weight surcharges by 30-50% versus 884 alternatives, compounding significant savings across monthly high-volume shipments.
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.