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 and store with confidence using our 30x24x10 corrugated boxes (15-pack bundle). ECT-32 single-wall kraft construction delivers dependable stacking strength and impact protection for mid-weight industrial shipments. Recyclable cardboard design reduces waste while maintaining performance standards.
Boxes - Corrugated

30x24x10 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 302410

30 x 24 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$97.48 / BUNDLE
IN STOCK Adjustable telescoping inner boxes designed for tall and irregularly shaped shipments. ECT-32 single wall kraft corrugated with FOL bottom reinforcement ensures stack strength during transport. Sold as bundle of 15–pair with T141440OUTER carton to complete your two-piece shipping system.
Boxes - Corrugated

14x14x40" Telescoping Inner Boxes, ECT-32 Kraft Corrugated, Bundle of 15

PN: T141440INNER

14 x 14 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$90.01 / BUNDLE
IN STOCK Ship long items efficiently with 40x14x14 long corrugated boxes featuring wide lengthwise openings for fast packing. ECT-32 kraft construction provides reliable stacking strength, and the 15-box bundle maximizes your freight efficiency–ideal for wine bottles, umbrellas, carpet rolls, and similar elongated products.
Boxes - Corrugated

40x14x14 ECT-32 Kraft Long Corrugated Boxes - Easy Pack, 15-Bundle

PN: 401414

40 x 14 x 14 in ECT-32 Corrugated 15 PER BUNDLE
$117.67 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall corrugated construction rated for maximum stacking performance and freight durability. These heavy-duty 36x18x18 kraft boxes deliver superior edge crush strength ideal for warehouse and fulfillment operations. Sold in convenient bundles of 10 and ship flat to minimize storage footprint and reduce inbound freight costs.
Boxes - Corrugated

36x18x18 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Shipping, Bundle of 10

PN: HD361818DW

36 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$156.81 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall corrugated cartons rated for maximum stacking strength and durability. These 36
Boxes - Corrugated

36x18x12 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping (Bundle of 10)

PN: HD361812DW

36 x 18 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$127.87 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes sized 36
Boxes - Corrugated

36x6x42 ECT-44 Kraft Side Loading Boxes - Bundle of 5

PN: HD36642FOL

36 x 6 x 42 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$55.55 / BUNDLE
IN STOCK Maximize shipment protection with ECT-48 heavy-duty double wall corrugated boxes sized 30x24x12–engineered for superior stacking strength and compression resistance. Kraft kraft construction absorbs impact while flat-shipped bundles of 10 minimize your storage footprint and freight costs. Built for warehouse managers who demand reliable performance at scale.
Boxes - Corrugated

30x24x12 ECT-48 Double Wall Corrugated Boxes - Heavy-Duty Shipping, Bundle of 10

PN: HD302412DW

30 x 24 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$95.22 / BUNDLE
IN STOCK Heavy-duty 24x24x30 corrugated shipping boxes with ECT-32 kraft construction for reliable protection and maximum stack strength. This 10-pack bundle delivers warehouse-ready performance at volume pricing. Fully recyclable kraft material meets sustainability standards.
Boxes - Corrugated

24x24x30 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 242430

24 x 24 x 30 in ECT-32 Corrugated 10 PER BUNDLE
$77.07 / BUNDLE
IN STOCK Ship tall items efficiently with our 18x18x36 ECT-32 kraft corrugated boxes. End-loading design speeds up packing and sealing. Sold as bundles of 10 flat for maximum freight efficiency and storage savings.
Boxes - Corrugated

18x18x36 Shipping Boxes - ECT-32 Kraft Corrugated, 10-Pack

PN: 181836

18 x 18 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$59.68 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for vertical storage and side loading operations. 8x4x46
Boxes - Corrugated

8x4x46" Full Overlap Side Loading Box ECT-32 Kraft - Bundle of 15

PN: 8446FOL

8 x 4 x 46 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$67.31 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items. 6
Boxes - Corrugated

6x6x48 Double Wall Telescoping Inner Boxes ECT-48 Kraft - 15 Pack

PN: T6648INNERDW

6 x 6 x 48 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$116.44 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 6x6x48 dimensions ship in bundles of 25 flat for maximum freight efficiency. End-loading design accommodates tall items like shelving, rods, and trophies with superior stacking strength. Replace expensive mailing tubes at a fraction of the cost.
Boxes - Corrugated

6x6x48 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 6648

6 x 6 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$72.31 / BUNDLE
IN STOCK ECT-51 double wall corrugated cartons engineered for flat panel TV shipment. 46x8x30
Boxes - Corrugated

46x8x30 ECT-51 Double Wall TV Box - Full Overlap Kraft Carton, Bundle of 5

PN: 46830FPFOL

46 x 8 x 30 in ECT-51 Double Wall Corrugated 5 PER BUNDLE
$130.63 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes sized 30
Boxes - Corrugated

30x24x12 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 302412

30 x 24 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$89.26 / BUNDLE
IN STOCK Heavy-duty 24 x 18 x 36 corrugated shipping boxes with ECT-32 single wall construction deliver reliable stacking performance and freight efficiency. Kraft corrugated cartons ship and store flat to maximize warehouse space and reduce logistics costs. Bundle of 10 boxes–the industry standard for mid-sized fulfillment operations.
Boxes - Corrugated

24x18x36 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 241836

24 x 18 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$116.85 / BUNDLE
IN STOCK Engineered for tall and irregularly shaped shipments, these 14.5x14.5x40
Boxes - Corrugated

14.5x14.5x40" Telescoping Outer Boxes ECT-32 Kraft - 15 Pack

PN: T141440OUTER

14 1/2 x 14 1/2 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$93.88 / 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.