Boxes & Mailers

SELECTION EXPERT ADVICE

Wall Strength & Load Capacity
MORE INFO
Match single-, double-, or triple-wall corrugated construction to your product weight to prevent in-transit damage and minimize costly returns.
Dimensional Weight Cost Control
MORE INFO
Right-sized boxes cut carrier DIM weight charges, selecting the optimal LxWxH for each SKU directly lowers your per-shipment freight cost.
Mailer Box vs. RSC: Choose Correctly
MORE INFO
Self-locking mailer boxes suit branded DTC shipments; traditional RSC corrugated boxes are ideal for palletized B2B and high-volume fulfillment.

Need help choosing boxes?

Pick the right corrugated box without overpaying for size or strength

Use these buying guides to size your box, compare board strength, and avoid dimensional weight surcharges.

Corrugated Boxes Guide → How to choose size, strength, and wall type Box Size Calculator → Find the smallest safe box for your product 32 ECT vs 200 lb Test → Which board strength rating fits your shipment
Overview

Boxes Mailers — compare in-stock Packrift options by exact spec, with public pricing and no account required. Ships from 5 US warehouses (Central IL, NE PA, South TX, SE GA, West CA), routed to the location nearest you. Below are verified catalog SKUs, collection paths, and a bulk-quote route.

What To Buy Here

  • You need a Packrift buying path for Boxes Mailers.
  • You want verified SKU links, current catalog specs, and a quote route instead of thin search copy.
  • You are comparing product fit before reordering or requesting a bulk quote.

Catalog Matches

SKU Product Dimensions Material Color Pack
1066 10x6x6 ECT-32 Kraft Long Corrugated Boxes - 25 Bundle 10 x 6 x 6 kraft corrugated kraft 25
1054 10x5x4 ECT-32 Kraft Corrugated Boxes - Long Side Opening, 25 Bundle 10 x 5 x 4 kraft corrugated kraft 25
1265 12x6x5" ECT-32 Kraft Corrugated Long Boxes - 25 Bundle 12 x 6 x 5 kraft corrugated kraft 25
1333 13x3x3 ECT-32 Kraft Corrugated Long Boxes - Easy Pack, 25 Bundle 13 x 3 x 3 kraft corrugated kraft 25
1388 13x8x8 ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25 Bundle 13 x 8 x 8 kraft corrugated kraft 25
1466 14x6x6" ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25 Bundle 14 x 6 x 6 kraft corrugated kraft 25
1477 14x7x7 ECT-32 Kraft Corrugated Boxes - Long Item Shipping, 25-Pack 14 x 7 x 7 kraft corrugated kraft 25
1664 16x6x4 ECT-32 Kraft Corrugated Boxes - Easy Pack Long Design, 25 Bundle 16 x 6 x 4 kraft corrugated kraft 25

Open a product page for current pricing and availability.

How To Choose

  • Start with the SKU row whose dimensions, material, color, and pack quantity match your current job.
  • Open the PDP before ordering when a field says not listed in current catalog data.
  • Use the bulk quote path for larger, recurring, mixed-SKU, or freight-sensitive purchases.

When Not To Use

  • Do not infer unlisted product specs from similar SKUs.
  • Do not use this page for regulated, food-contact, outdoor exposure, or load-rating requirements unless the exact SKU record verifies that requirement.

Substitutes and Accessories

Reorder or Bulk Quote

For reorders, use the linked PDP SKU or the reorder-by-SKU path. For larger or mixed orders, use the bulk quote path and include SKU, quantity, destination ZIP, and timing.

Related Paths

FAQ

Which products match this page?
The Catalog Matches table above lists verified in-stock SKUs for Boxes Mailers, with current dimensions, material, color, and pack quantity. Open a product page for full specs and current pricing.
What should I do when a field is not listed?
Do not infer it. Use the PDP or bulk quote path so the order can be checked against current catalog data.
Can I request a quote instead of ordering one SKU?
Yes. Use the bulk quote path with the relevant SKU list, quantities, destination ZIP, and required timing.

3086 Results

showing boxes & mailers products

IN STOCK Save on postage with lightweight, crush-resistant corrugated mailers engineered for small item shipping. One-piece ECT-32-B construction folds in seconds with no tape, glue, or staples required. Bundle of 50 white cardboard mailers deliver double-wall protection on front and sides.
Boxes - Mailers

6 3/16 x 5 3/8 x 2 1/2" ECT-32-B White Corrugated Mailers - Bundle of 50

PN: MRX6XL

6 3/16 x 5 3/8 x 2 1/2 in ECT-32-B Corrugated 50 PER BUNDLE
$40.24 / BUNDLE
IN STOCK Save on postage and labor with these ECT-32-B white corrugated mailers. One-piece design folds in seconds with double-wall crush protection on front and sides–no tape, glue, or staples required. Perfect for small, lightweight shipments. 50 mailers per bundle.
Boxes - Mailers

6x6x6 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50

PN: M666

6 x 6 x 6 in ECT-32-B Corrugated 50 PER BUNDLE
$72.92 / BUNDLE
IN STOCK One-piece white corrugated mailers engineered with ECT-32-B material for maximum crush resistance and lightweight shipping efficiency. No tape, glue, or staples required–fold and ship in seconds. Sold as a bundle of 50 boxes to reduce per-unit costs.
Boxes - Mailers

6x6x5 ECT-32 White Corrugated Mailers - Crush Resistant, 50/Bundle

PN: M665

6 x 6 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$78.23 / BUNDLE
IN STOCK Ship small, lightweight items safely with these 6x6x4 white corrugated mailers. ECT-32-B construction delivers crush resistance and double-wall protection without tape or glue. One-piece fold-and-tuck design assembles in seconds–order your 50-pack bundle today.
Boxes - Mailers

6x6x4 White Corrugated Mailers, ECT-32-B, 50-Pack Bundle

PN: M664

6 x 6 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$47.72 / BUNDLE
IN STOCK Reduce shipping costs and eliminate assembly time with these one-piece white corrugated mailers. ECT-32-B construction provides double-wall crush resistance on front and sides–no tape, glue, or staples required. Perfect for high-volume fulfillment centers shipping lightweight items.
Boxes - Mailers

6x6x3 ECT-32-B White Corrugated Mailers - Crush Resistant, 50-Pack

PN: M663

6 x 6 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$80.23 / BUNDLE
IN STOCK ECT-32-B white corrugated mailers engineered for small package protection without the hassle. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Bundle of 50 crush-resistant boxes reduces fulfillment labor while cutting dimensional weight charges.
Boxes - Mailers

6x6x2 White Corrugated Mailers ECT-32-B Crush Resistant, Bundle 50

PN: M662

6 x 6 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$70.93 / BUNDLE
IN STOCK Ship small, lightweight items safely with these 6x6x1 white corrugated mailers made from durable ECT-32-B material. One-piece fold-and-tuck design requires no tape, glue, or staples–saving time and labor on every shipment. Bundle of 50 mailers delivers cost-effective protection and freight efficiency for high-volume fulfillment operations.
Boxes - Mailers

6x6x1 White Corrugated Mailers ECT-32-B Crush Resistant - Bundle of 50

PN: M661

6 x 6 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$41.78 / BUNDLE
IN STOCK Ship small items with confidence using these ECT-32-B white corrugated mailers. The one-piece fold-and-tuck design provides double-wall crush resistance on front and sides–no tape, glue, or staples required. Bundle of 50 reduces per-unit costs and assembly time.
Boxes - Mailers

6x5x5 Corrugated Mailers - ECT-32 White Crush Resistant, 50-Pack

PN: M655

6 x 5 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$67.60 / BUNDLE
IN STOCK ECT-32-B white corrugated mailers deliver superior crush resistance with a one-piece fold-and-tuck design that requires no tape, glue, or staples. At 6
Boxes - Mailers

6x5x4 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50

PN: M654

6 x 5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$64.56 / BUNDLE
IN STOCK Lightweight, crush-resistant 6x5x3 white corrugated mailers engineered for high-volume small package shipping. ECT-32-B corrugated construction delivers double-wall protection on front and sides with zero assembly time–just fold and ship. 50-piece bundle reduces per-unit cost and freight overhead.
Boxes - Mailers

6x5x3 Corrugated Mailers - ECT-32 White Crush Resistant, 50-Pack

PN: M653

6 x 5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$61.52 / BUNDLE
IN STOCK ECT-32-B white corrugated mailers engineered for lightweight fragile items and small parcel shipping. One-piece fold-and-tuck design with double-wall crush resistance on front and sides–no tape, glue, or staples required. Bulk 50-pack saves labor and reduces per-unit costs for high-volume fulfillment operations.
Boxes - Mailers

6x5x2 ECT-32-B White Corrugated Mailers - Crush-Resistant, 50-Pack

PN: M652

6 x 5 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$50.13 / BUNDLE
IN STOCK Professional-grade 6x5x1 white corrugated mailers manufactured from ECT-32-B material with crush-resistant, double-wall construction on front and sides. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Sold in bundles of 50 for maximum freight efficiency and cost savings.
Boxes - Mailers

6x5x1 ECT-32-B White Corrugated Mailers - Crush Resistant, 50/Bundle

PN: M651

6 x 5 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$46.20 / BUNDLE
IN STOCK Ship small, lightweight items with confidence using these ECT-32-B white corrugated mailers. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Double-wall crush-resistant construction protects contents while reducing dimensional weight charges. 50-box bundle.
Boxes - Mailers

6x4x4 ECT-32-B White Corrugated Mailers - Crush Resistant, Bundle of 50

PN: M644

6 x 4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$30.83 / BUNDLE
IN STOCK Lightweight yet durable ECT-32-B corrugated mailers in 6x4x3
Boxes - Mailers

6x4x3 White Corrugated Mailers ECT-32-B Crush Resistant 50/Bundle

PN: M643

6 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$28.61 / BUNDLE
IN STOCK One-piece white corrugated mailers engineered for maximum crush resistance with zero assembly time. ECT-32-B construction delivers double-wall protection on front and sides; no tape, glue, or staples required. Ships in bundles of 50 to reduce per-unit costs on high-volume fulfillment operations.
Boxes - Mailers

6x4x2 ECT-32 White Corrugated Mailers - Crush Resistant, 50-Pack

PN: M642

6 x 4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$22.46 / BUNDLE
IN STOCK Premium 6x4x1 white corrugated mailers manufactured from ECT-32-B material deliver crush-resistant protection with zero assembly hassle. One-piece fold-and-tuck design eliminates tape, glue, and staples–ideal for fulfillment centers and warehouse operations shipping lightweight items at scale. Bulk 50-pack reduces per-unit costs and maximizes freight efficiency.
Boxes - Mailers

6x4x1 White Corrugated Mailers ECT-32-B Crush Resistant - 50 Pack

PN: M641

6 x 4 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$34.94 / BUNDLE

Product Help Request

Send the SKU, quantity, delivery ZIP, and any required specs so we can route the request.

Buying path

Buy Boxes & Mailers by the specs that change the order

Use filters, product titles, and product pages to compare size, material, pack count, case quantity, and fit before ordering.

Compare

Use filters and product titles to narrow by the specs that affect fit.

Confirm

Open the product page before ordering a case so you can check quantity, unit, and limits.

Reorder

Save the SKU or product link for repeat purchasing and support questions.

Larger orders

For pallet, recurring, or mixed-SKU needs, send support the details before placing a large order.

What to check first

  • Inside dimensions
  • Board grade or strength rating
  • Box style and closure
  • Case or bundle quantity
Common wrong-order risk: Choosing the outside size instead of the inside size. Confirm product fit, void fill, and storage space before ordering.
Use the box size calculator -> Contact support for larger orders -> Compare corrugated box types -> View products below ->

Buying FAQ

What should I check before buying Boxes & Mailers?

Compare Inside dimensions, Board grade or strength rating, Box style and closure, Case or bundle quantity before choosing a product from this collection.

Can I buy Boxes & Mailers online?

Use the product grid to open a product page, confirm the SKU, quantity, unit, availability, and price, then add available products to cart.

When should I contact support?

Contact support for pallet, recurring, mixed-SKU, or uncertain-fit orders, or when the product page does not answer the size, quantity, or delivery question.