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 Ship small, fragile items safely with these ECT-32-B kraft corrugated mailers featuring double-wall crush-resistant protection. One-piece fold design requires no tape, glue, or staples–assembly takes seconds. Bundle of 50 ships flat to maximize warehouse efficiency and minimize freight costs.
Boxes - Mailers

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

PN: M662K

6 x 6 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$58.49 / BUNDLE
IN STOCK Ship small items with confidence using our 5x5x5
Boxes - Mailers

5x5x5" ECT-32-B Kraft Corrugated Mailers - Crush Resistant, 50-Pack

PN: M655K

5 x 5 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$54.69 / BUNDLE
IN STOCK Ship small, fragile items securely with these ECT-32-B kraft corrugated mailers featuring double-wall crush-resistant protection. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Bundle of 50 ships and stores flat to maximize your warehouse efficiency and reduce freight costs.
Boxes - Mailers

6x5x4 Kraft Corrugated Mailers ECT-32-B Crush Resistant, 50-Pack

PN: M654K

6 x 5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$64.95 / BUNDLE
IN STOCK Ship small items confidently with ECT-32-B kraft corrugated mailers engineered for crush resistance and lightweight postage savings. One-piece fold-and-tuck design requires no tape, glue, or staples–assemble in seconds and store completely flat. Bundle of 50 mailers ideal for warehouses handling fragile goods like tools, glassware, and small products.
Boxes - Mailers

6x5x3 Kraft Corrugated Mailers - ECT-32 Crush Resistant, Bundle of 50

PN: M653K

6 x 5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$57.73 / BUNDLE
IN STOCK Ship small, fragile items with confidence using these ECT-32-B kraft corrugated mailers. One-piece fold design requires no tape, glue, or staples–assemble in seconds with double-wall crush resistance on front and sides. Bundle of 50 ships and stores flat to maximize warehouse efficiency.
Boxes - Mailers

6x5x2" Kraft Corrugated Mailers ECT-32-B Crush Resistant - Bundle of 50

PN: M652K

6 x 5 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$44.81 / BUNDLE
IN STOCK Ship small items with confidence using these ECT-32-B crush-resistant kraft corrugated mailers. One-piece fold-and-tuck design requires no tape, glue, or staples–assembly takes seconds. Bundle of 50 ships and stores flat to maximize warehouse efficiency and reduce freight costs.
Boxes - Mailers

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

PN: M644K

6 x 4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$48.61 / BUNDLE
IN STOCK ECT-32-B kraft corrugated mailers engineered for small item protection and maximum freight efficiency. One-piece fold-and-tuck design–no tape, glue, or staples required. Ships and stores flat in 50-pack bundles to reduce warehouse space and cut postage costs.
Boxes - Mailers

6x4x3 Kraft Corrugated Mailers ECT-32-B Crush Resistant - 50 Pack

PN: M643K

6 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$39.50 / BUNDLE
IN STOCK Ship with confidence using these ECT-32-B kraft corrugated mailers with crush-resistant, double-wall construction. One-piece design folds in seconds–no tape, glue, or staples required. Bundle of 50 units ships and stores flat to maximize warehouse efficiency.
Boxes - Mailers

6x4x2" Kraft Corrugated Mailers - ECT-32-B Crush Resistant, Bundle of 50

PN: M642K

6 x 4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$34.94 / BUNDLE
IN STOCK Lightweight ECT-32-B kraft corrugated mailers sized 6
Boxes - Mailers

6x3x3 Kraft Corrugated Mailers ECT-32 Crush Resistant, 50-Pack

PN: M633K

6 x 3 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$32.66 / BUNDLE
IN STOCK Ship small, fragile items with confidence using these ECT-32-B kraft corrugated mailers. One-piece fold-and-tuck design provides double-wall protection on front and sides–no tape, glue, or staples required. Bundle of 50 ships and stores flat to maximize warehouse efficiency.
Boxes - Mailers

6x3x2 Kraft Corrugated Mailers - ECT-32 Crush Resistant, 50-Pack

PN: M632K

6 x 3 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$28.86 / BUNDLE
IN STOCK Ship small items faster with zero-assembly one-piece mailers engineered for B2B efficiency. These 6x2x2 ECT-32 kraft corrugated mailers feature crush-resistant double-wall construction, fold flat for storage, and require no tape, glue, or staples. Bundle of 50 ships ready to deploy.
Boxes - Mailers

6x2x2 ECT-32 Kraft Corrugated Mailers - One-Piece Design, Bundle of 50

PN: M622K

6 x 2 x 2 in ECT-32 Single Wall Corrugated 50 PER BUNDLE
$23.55 / BUNDLE
IN STOCK Ship small items with confidence using these ECT-32-B kraft corrugated mailers. One-piece fold-to-close design requires no tape, glue, or staples–assemble in seconds and cut labor costs. Double-wall construction on front and sides provides superior crush resistance while staying lightweight to reduce postage.
Boxes - Mailers

5x5x5" ECT-32-B Kraft Corrugated Mailers - Crush-Resistant, Bundle of 50

PN: M555K

5 x 5 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$60.00 / BUNDLE
IN STOCK Ship small items securely with our 5x5x4 kraft corrugated mailers–manufactured from ECT-32-B material for superior crush resistance and double-wall protection. One-piece fold-and-tuck design assembles in seconds with no tape, glue, or staples required. Bundle of 50 ships flat to maximize warehouse efficiency and reduce storage footprint.
Boxes - Mailers

5x5x4 Kraft Corrugated Mailers ECT-32-B Crush Resistant, Bundle of 50

PN: M554K

5 x 5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$53.17 / BUNDLE
IN STOCK Ship small, fragile items with confidence using these ECT-32-B kraft corrugated mailers. One-piece design folds in seconds with no tape or glue required–double-wall construction on front and sides provides crush resistance. Bundle of 50 ships and stores flat to maximize warehouse efficiency.
Boxes - Mailers

5x5x3 Kraft Corrugated Mailers ECT-32 Crush Resistant - 50 Pack

PN: M553K

5 x 5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$54.40 / BUNDLE
IN STOCK Ship small items faster with zero assembly. These 5x5x2 one-piece folding mailers feature ECT-32-B kraft corrugated construction with dual-wall crush resistance on front and sides. Bundle of 50 ships and stores flat–maximize warehouse efficiency and reduce postage spend.
Boxes - Mailers

5x5x2 Corrugated Mailers - ECT-32 Kraft Crush Resistant, 50-Pack

PN: M552K

5 x 5 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$33.42 / BUNDLE
IN STOCK ECT-32-B kraft corrugated mailers engineered for maximum crush resistance in a compact 5x4x4
Boxes - Mailers

5x4x4" ECT-32-B Kraft Corrugated Mailers - Crush Resistant, 50/Bundle

PN: M544K

5 x 4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$44.81 / 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.