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 Industrial-grade ECT-32 kraft corrugated boxes sized 12x12x14 inches–built for reliable stacking and freight efficiency in high-volume operations. This 25-box bundle delivers standard strength performance at competitive bulk pricing, making it ideal for e-commerce fulfillment, warehouse storage, and daily shipping needs.
Boxes - Corrugated

12x12x14 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 121214

12 x 12 x 14 in ECT-32 Corrugated 25 PER BUNDLE
$43.80 / BUNDLE
IN STOCK Industrial-grade 12x12x12 triple wall corrugated boxes with ECT-90 rating deliver maximum stacking strength and crush resistance for heavy shipments. Ship flat to reduce freight costs and warehouse footprint. Sold as a bundle of 5 units–the trusted choice for fulfillment centers and high-volume distributors.
Boxes - Corrugated

12x12x12 Triple Wall Corrugated Boxes ECT-90 Heavy-Duty Bundle of 5

PN: HD121212TW

12 x 12 x 12 in TW/ECT-90 Corrugated 5 PER BUNDLE
$159.89 / BUNDLE
IN STOCK 10x10x16
Boxes - Corrugated

10x10x16 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 101016

10 x 10 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.95 / BUNDLE
IN STOCK Strong ECT-32 kraft corrugated boxes sized 8x8x18
Boxes - Corrugated

8x8x18 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 8818

8 x 8 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.85 / BUNDLE
IN STOCK Durable ECT-32 kraft corrugated boxes designed for vertical shipping of tall items like trophies, rods, and shelving. End-loading design speeds packing and sealing. Sold flat in bundles of 25 for maximum warehouse efficiency.
Boxes - Corrugated

6x6x20 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 6620

6 x 6 x 20 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.32 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes sized 16
Boxes - Corrugated

16x10x10 Double Wall Kraft Corrugated Boxes ECT-48 - Bundle of 15

PN: HD161010DW

16 x 10 x 10 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$56.86 / BUNDLE
IN STOCK Reliable ECT-32 kraft corrugated boxes sized 15
Boxes - Corrugated

15x12x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 15126

15 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$35.26 / BUNDLE
IN STOCK Master your freight costs with this precision-engineered 12.75x12.75x13.5 corrugated box. Engineered to consolidate eight standard 6
Boxes - Corrugated

12.75x12.75x13.5 ECT-32 Kraft Master Carton Box - Freight Savings, Bundle of 25

PN: 121213

12 3/4 x 12 3/4 x 13 1/2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$51.67 / BUNDLE
IN STOCK Ship hazardous materials safely with these UN 4G/Y37.6/S certified haz mat boxes designed for 1–5 gallon containers. Built from ECT-51 double wall kraft corrugated, they deliver superior stacking strength and crush resistance. Bundle of 10 ships flat to maximize warehouse space and reduce freight costs.
Boxes - Corrugated

12 1/8x12 1/8x13 9/16 ECT-51 Haz Mat Boxes - UN Certified, Bundle of 10

PN: HAZCO15G

12 1/8 x 12 1/8 x 13 9/16 in ECT-51 Double Wall Corrugated 10 PER BUNDLE
$92.72 / BUNDLE
IN STOCK Move inventory faster with our 16x11x10 corrugated boxes–25-pack bundles built for serious warehouse operations. ECT-32 kraft construction delivers proven stacking strength and freight efficiency without premium pricing. Perfect for mid-size shipments that demand reliability.
Boxes - Corrugated

16x11x10 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 161110

16 x 11 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.29 / BUNDLE
IN STOCK Dependable 16x11x9 corrugated shipping boxes built from ECT-32 kraft material for consistent performance in high-volume fulfillment. Each bundle contains 25 boxes–ideal for mid-size shipments and cost-effective inventory management. Stackable, recyclable, and ready to reduce your packaging costs.
Boxes - Corrugated

16x11x9 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 16119

16 x 11 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$39.15 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 15
Boxes - Corrugated

15x12x14 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 151214

15 x 12 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.91 / BUNDLE
IN STOCK Eliminate carton size proliferation with these pre-scored 15x12x12 kraft corrugated boxes that fold to 3 different heights–no sizer required. One SKU replaces multiple box styles, cutting inventory costs and parcel shipping fees. ECT-32 single wall construction delivers reliable protection at maximum freight efficiency.
Boxes - Corrugated

15x12x12 Multi-Depth Corrugated Boxes, ECT-32 Kraft, 25-Pack

PN: MD151212

15 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$46.74 / BUNDLE
IN STOCK Heavy-duty 15x12x12 corrugated shipping boxes made from ECT-32 kraft material deliver reliable stacking strength and protection for mid-weight industrial shipments. Each 25-pack bundle maximizes freight efficiency and reduces per-unit packaging costs. Recyclable kraft construction ensures sustainability without compromising durability.
Boxes - Corrugated

15x12x12 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 151212

15 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$45.62 / BUNDLE
IN STOCK Heavy-duty ECT-44 kraft corrugated shipping boxes deliver 40% greater strength than standard containers, maximizing stacking performance and freight efficiency. 15
Boxes - Corrugated

15x12x10 ECT-44 Heavy-Duty Kraft Corrugated Boxes - Bundle of 25

PN: HD151210

15 x 12 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$88.99 / BUNDLE
IN STOCK Professional-grade 15x12x10 white corrugated boxes (ECT-32 single-wall) in bundles of 25 for efficient file storage and product shipping. High-contrast white surface makes labels and shipping marks instantly visible. Ready to seal and ship with superior stacking performance.
Boxes - Corrugated

15x12x10 ECT-32 White Corrugated Shipping Boxes - 25 Bundle

PN: 151210W

15 x 12 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$49.94 / 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.