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
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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 Heavy-duty 5
Mailing Tubes

5x30 Kraft Jumbo Mailing Tubes - Heavy-Duty Spiral Wound, Case of 15

PN: P5030KHD

5 x 30 in 0.125 Thick Spiral Wound Fibreboard 15 PER CASE
$99.72 / CASE
IN STOCK Heavy-duty 5x26 kraft jumbo tubes deliver maximum protection for oversized documents, blueprints, and rolled materials. Built with .125
Mailing Tubes

5x26 Kraft Jumbo Mailing Tubes - .125 Spiral Wound, Case of 15

PN: P5026KHD

5 x 26 in 0.125 Thick Spiral Wound Fibreboard 15 PER CASE
$94.70 / CASE
IN STOCK Industrial-grade 5x24 kraft mailing tubes engineered for maximum durability and shipping compliance. 0.125-inch thick 3-ply spiral wound fibreboard resists bending, crushing, and damage in transit. Ideal for blueprints, posters, documents, and architectural materials. Case of 15 tubes.
Mailing Tubes

5x24 Kraft Jumbo Mailing Tubes - Heavy-Duty Spiral Wound, Case of 15

PN: P5024KHD

5 x 24 in 0.125 Thick Spiral Wound Fibreboard 15 PER CASE
$91.30 / CASE
IN STOCK Industrial-strength 10x36 kraft mailing tubes featuring .125 thick, 3-ply spiral wound fibreboard construction that resists bending and crushing. Perfect for shipping blueprints, posters, documents, and oversized materials. Sold as a case of 8 tubes with maximum usable storage space.
Mailing Tubes

10x36 Kraft Jumbo Mailing Tubes - .125 Spiral Wound - Case of 8

PN: P1036KHD

10 x 36 in 0.125 Thick Spiral Wound Fibreboard 8 PER CASE
$203.59 / CASE
IN STOCK Professional jumbo mailers in hard-to-find 36x12x6 dimensions, built from sturdy ECT-32-C kraft corrugated. Multi-depth score lines allow flexible packing of various product sizes without wasted space. Sold as a bundle of 20 for wholesale pricing.
Boxes - Mailers

36x12x6 Kraft Jumbo Mailers Multi-Depth Corrugated - Bundle of 20

PN: M36126

36 x 12 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$108.79 / BUNDLE
IN STOCK Ship large items with confidence using our 32x22x6 kraft jumbo mailers–engineered from ECT-32-C corrugated material for maximum puncture resistance and professional presentation. Multi-depth die-cut scoring adapts to products of varying heights, eliminating wasted space and reducing dimensional weight charges. Each bundle of 20 mailers combines durability, sustainability, and cost efficiency for high-volume e-commerce operations.
Boxes - Mailers

32x22x6 Kraft Jumbo Mailers - Multi-Depth Die-Cut, Bundle of 20

PN: M32226

32 x 22 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$133.38 / BUNDLE
IN STOCK Premium 30x24x6 kraft jumbo mailers built from ECT-32-C corrugated material for superior puncture resistance and professional brand presentation. Multi-depth scoring adapts to items 2–6 inches tall, eliminating excess void fill waste. Sold as a bundle of 20 ready-to-fold mailers.
Boxes - Mailers

30x24x6 Kraft Jumbo Mailers - Multi-Depth ECT-32 Corrugated, Bundle of 20

PN: M30246

30 x 24 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$153.13 / BUNDLE
IN STOCK Professional-grade 30x22x6 kraft jumbo mailers engineered for large e-commerce shipments. Multi-depth scored design adapts to varying product heights while maintaining structural integrity. ECT-32-C corrugated construction resists punctures and impacts. Bundle of 20 ready to ship.
Boxes - Mailers

30x22x6 Kraft Jumbo Mailers - Multi-Depth Corrugated, Bundle of 20

PN: M30226

30 x 22 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$144.32 / BUNDLE
IN STOCK Kraft jumbo mailers in the hard-to-find 28x24x6 size that e-commerce brands need for oversized items. Multi-depth scored corrugated mailers provide flexibility for variable product heights while maintaining professional presentation. Bundle of 20 units.
Boxes - Mailers

28x24x6 Kraft Jumbo Mailers ECT-32 Corrugated - Multi-Depth, Bundle of 20

PN: M28246

28 x 24 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$153.13 / BUNDLE
IN STOCK Professional-grade 28x22x6 kraft jumbo mailers engineered for e-commerce brands shipping oversized items. Multi-depth scored corrugated construction provides superior puncture resistance and product protection. Bundle of 20 mailers ready to ship.
Boxes - Mailers

28x22x6 Kraft Jumbo Mailers - Multi-Depth Corrugated, Bundle of 20

PN: M28226

28 x 22 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$138.30 / BUNDLE
IN STOCK Ship large items with confidence using these 26x20x6 kraft jumbo mailers. Multi-depth scored design provides flexibility for products 2-6 inches deep, while ECT-32-C corrugated construction ensures puncture resistance and professional protection. Bundle of 20 units ready to ship.
Boxes - Mailers

26x20x6 Kraft Jumbo Mailers - Multi-Depth Corrugated, Bundle of 20

PN: M26206

26 x 20 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$144.56 / BUNDLE
IN STOCK Professional 24x24x6 kraft jumbo mailers built from durable ECT-32-C corrugated material with multi-depth scoring for flexible packaging solutions. Each bundle includes 20 ready-to-fold mailers that reduce dimensional weight charges while maintaining puncture-resistant protection. Ideal for e-commerce brands shipping large, flat items like artwork, frames, and apparel.
Boxes - Mailers

24x24x6 Kraft Jumbo Mailers - Multi-Depth ECT-32-C Corrugated, Bundle of 20

PN: M24246

24 x 24 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$142.80 / BUNDLE
IN STOCK Hard-to-find 24x20x6 jumbo mailers designed for large e-commerce shipments. Multi-depth scored corrugated kraft construction adapts to your product size, reducing void fill needs. Bundle of 20 boxes ships ready to fold and mail.
Boxes - Mailers

24x20x6 Kraft Jumbo Mailers - Multi-Depth Corrugated, Bundle of 20

PN: M24206

24 x 20 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$140.39 / BUNDLE
IN STOCK Ship oversized products professionally with our 24x18x6 kraft jumbo mailers. Each bundle includes 20 ECT-32 corrugated mailers featuring multi-depth fold-and-tuck design for flexible packaging. One-piece construction eliminates assembly time and reduces material waste.
Boxes - Mailers

24x18x6 Kraft Jumbo Mailers - Multi-Depth Die-Cut, Bundle of 20

PN: M24186

24 x 18 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$129.36 / BUNDLE
IN STOCK Ship oversized items with confidence using these 22x18x6 kraft jumbo mailers. Multi-depth scored design adapts to packages 2-6 inches deep, eliminating the need for multiple SKUs. ECT-32-C corrugated construction ensures durability and professional presentation–20 per bundle.
Boxes - Mailers

22x18x6 Kraft Jumbo Mailers - Multi-Depth Easy-Fold, Bundle of 20

PN: M22186

22 x 18 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$118.63 / BUNDLE
IN STOCK Ship large, flat items with professional impact using these 20x20x6 kraft jumbo mailers. Multi-depth scored design adapts to your product size–from 2
Boxes - Mailers

20x20x6 Kraft Jumbo Mailers - Multi-Depth Die-Cut, Bundle of 20

PN: M20206

20 x 20 x 6 in ECT-32-C Corrugated 20 PER BUNDLE
$126.68 / 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.