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 Professional-grade 20x16x2.5
Boxes - Mailers

20x16x2.5" Kraft Deluxe Literature Mailer - Crush Resistant, 25 Bundle

PN: MFL20162K

20 x 16 x 2 1/2 in ECT-32-B Corrugated 25 PER BUNDLE
$92.67 / BUNDLE
IN STOCK Premium 19
Boxes - Mailers

19x12x3 Kraft Corrugated Literature Mailer - Crush Resistant, 25-Pack

PN: MFL19123K

19 x 12 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$83.55 / BUNDLE
IN STOCK Professional-grade 18x14x4 kraft corrugated literature mailers designed for e-commerce brands shipping premium documents, catalogs, and marketing materials. ECT-32-B strength provides maximum crush resistance with no tape, glue, or staples required–assembles instantly with our protective side flaps and front outside tuck closure. 25-box bundle delivers consistent, on-brand presentation every shipment.
Boxes - Mailers

18x14x4 Kraft Corrugated Literature Mailer - Crush Proof, 25 Bundle

PN: MFL18144K

18 x 14 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$104.82 / BUNDLE
IN STOCK Ship important documents with confidence using these 18x12x6 deluxe kraft literature mailers. Engineered from strong ECT-32-B corrugated material with protective side flaps and front tuck closure for maximum crush resistance. Assembles in seconds without tape, glue, or staples–sold in bundles of 25 for cost-effective bulk protection.
Boxes - Mailers

18x12x6 Kraft Corrugated Literature Mailer - Crush Resistant, 25-Pack

PN: MFL18126K

18 x 12 x 6 in ECT-32-B Corrugated 25 PER BUNDLE
$125.71 / BUNDLE
IN STOCK Professional-grade 18x12x4
Boxes - Mailers

18x12x4" Kraft Deluxe Literature Mailer - Crush Resistant, 25 Bundle

PN: MFL18124K

18 x 12 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$112.79 / BUNDLE
IN STOCK Premium 18x12x3
Boxes - Mailers

18x12x3" Kraft Corrugated Literature Mailer - Crush Resistant, 25-Pack

PN: MFL18123K

18 x 12 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$80.48 / BUNDLE
IN STOCK Ship important documents with confidence using these 18x12x2 kraft corrugated literature mailers. Features protective side flaps, front tuck closure, and ECT-32-B strength for maximum crush resistance. One-piece design assembles in seconds without tape, glue, or staples–50 boxes per bundle.
Boxes - Mailers

18x12x2 Kraft Corrugated Literature Mailer - Crush Resistant, 50/Bundle

PN: MFL18122K

18 x 12 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$127.60 / BUNDLE
IN STOCK Protect your documents in style with these deluxe kraft literature mailers featuring self-sealing closure and robust ECT-32-B corrugated construction. Measures 17 1/8 x 11 1/8 x 4
Boxes - Mailers

17 1/8 x 11 1/8 x 4" Kraft Deluxe Literature Mailer - Self-Seal, 50-Pack

PN: MFL17114K

17 1/8 x 11 1/8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$108.79 / BUNDLE
IN STOCK Protect your catalogs and documents with crush-resistant kraft corrugated mailers that assemble in seconds without tape or glue. Each 17 1/8 x 11 1/8 x 3
Boxes - Mailers

17 1/8 x 11 1/8 x 3" Kraft Deluxe Literature Mailer - Crush Resistant, 50-Count Bundle

PN: MFL17113K

17 1/8 x 11 1/8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$131.89 / BUNDLE
IN STOCK Protect high-value documents and marketing materials with our deluxe 17 1/8 x 11 1/8 x 2
Boxes - Mailers

17 1/8 x 11 1/8 x 2" Kraft Deluxe Literature Mailer - Crush Resistant, 50/Bundle

PN: MFL17112K

17 1/8 x 11 1/8 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$135.62 / BUNDLE
IN STOCK Protect high-value documents with our 16x16x2.75
Boxes - Mailers

16x16x2.75" Kraft Deluxe Literature Mailer - Crush Resistant, 50-Pack

PN: MFL16162K

16 x 16 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$165.58 / BUNDLE
IN STOCK Professional 16
Boxes - Mailers

16x12x6 Kraft Literature Mailer - Crush Resistant, 25-Pack

PN: MFL16126K

16 x 12 x 6 in ECT-32-B Corrugated 25 PER BUNDLE
$94.94 / BUNDLE
IN STOCK Protect high-value documents and marketing materials with our 16x12x4 deluxe kraft literature mailers. Built from heavy-duty ECT-32-B corrugated with reinforced side flaps and front tuck closure–no tape, glue, or staples required. Bundle of 50 ships ready to assemble.
Boxes - Mailers

16x12x4 Kraft Deluxe Literature Mailer - Crush Resistant, 50-Pack

PN: MFL16124K

16 x 12 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$175.46 / BUNDLE
IN STOCK Professional 16x12x2 kraft literature mailers engineered for maximum document protection. Crush-resistant ECT-32-B corrugated construction with protective side flaps and front tuck closure assembles in seconds–no tape, glue, or staples required. Perfect for e-commerce brands shipping marketing materials, catalogs, and important documents.
Boxes - Mailers

16x12x2 Kraft Deluxe Literature Mailer - Crush Resistant, 50 Bundle

PN: MFL16122K

16 x 12 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$124.57 / BUNDLE
IN STOCK Protect your brand with our 16x10x2.75
Boxes - Mailers

16x10x2.75" Kraft Corrugated Literature Mailer - Crush Resistant, 50/Bundle

PN: MFL16102K

16 x 10 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$141.58 / BUNDLE
IN STOCK Professional deluxe kraft literature mailers designed for e-commerce brands that demand maximum document protection. Measuring 15 1/8
Boxes - Mailers

15 1/8x11 1/8x4 Kraft Deluxe Literature Mailer - Crush-Proof, 50 Bundle

PN: MFL15114K

15 1/8 x 11 1/8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$157.23 / 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.