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 40% stronger than standard shipping containers, these ECT-44 single wall kraft corrugated boxes deliver superior stacking performance and freight efficiency for your warehouse. 16x16x16 dimensions fit standard pallet configurations and maximize cube utilization. Sold flat in bundles of 25 for cost-effective bulk purchasing and easy storage.
Boxes - Corrugated

16x16x16 ECT-44 Heavy-Duty Corrugated Boxes - Bundle of 25

PN: HD1616

16 x 16 x 16 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$97.76 / BUNDLE
IN STOCK Premium white corrugated shipping boxes with ECT-32 single-wall construction deliver professional appearance and reliable protection. These 16x16x16 cube boxes feature bright white kraft exterior perfect for custom labels, branded tape, and shipping instructions that stand out. Sold as a convenient 25-box bundle for warehouse managers and fulfillment operations.
Boxes - Corrugated

16x16x16 ECT-32 White Corrugated Boxes - Professional Branding, 25-Pack

PN: 161616W

16 x 16 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$88.18 / BUNDLE
IN STOCK Eliminate carton sizer expenses and reduce SKU inventory with our 16x16x16 multi-depth corrugated boxes. Pre-scored kraft sides fold to multiple heights for perfect fit optimization. Backed by ECT-32 single-wall durability, sold in bundles of 10.
Boxes - Corrugated

16x16x16 Multi-Depth Corrugated Boxes ECT-32 Kraft, 10-Pack

PN: MD161616

16 x 16 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$27.89 / BUNDLE
IN STOCK Ship round and odd-shaped products with confidence using our 16x16x16 ECT-32 kraft corrugated boxes. These versatile cube boxes provide excellent stacking strength and dimensional stability for warehouse-to-customer fulfillment. Bundle of 25 arrives flat for efficient storage and quick assembly.
Boxes - Corrugated

16x16x16 ECT-32 Kraft Cube Boxes - Bundle of 25

PN: 161616

16 x 16 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.02 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes engineered for maximum stacking strength and freight efficiency. Ships flat to minimize warehouse storage footprint–15 boxes per bundle. Kraft construction handles demanding fulfillment, storage, and shipping applications.
Boxes - Corrugated

16x16x14 ECT-48 Double Wall Boxes - Heavy Duty Kraft Cartons, Bundle of 15

PN: HD161614DW

16 x 16 x 14 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$128.19 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes designed for demanding warehouse and fulfillment operations. 16x16x12 dimensions with superior stacking performance and crush resistance. Ships flat in bundles of 10 to maximize storage efficiency and reduce freight costs.
Boxes - Corrugated

16x16x12 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping Cartons, Bundle of 10

PN: HD161612DW

16 x 16 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$40.29 / BUNDLE
IN STOCK Durable 16x16x11
Boxes - Corrugated

16x16x11" ECT-32 Kraft Corrugated Boxes - 25-Pack Bundle

PN: 161611

16 x 16 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.68 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall kraft cartons engineered for maximum protection and stacking performance. 16
Boxes - Corrugated

16x16x10 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Shipping, Bundle of 15

PN: HD161610DW

16 x 16 x 10 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$90.33 / BUNDLE
IN STOCK Protect high-value shipments with our 16x16x8 double wall kraft corrugated boxes rated ECT-48. These heavy-duty cartons deliver superior stacking performance and crush resistance–ideal for warehouse managers moving heavier products. Sold in bundles of 15 and ship flat to maximize your storage efficiency and reduce inbound freight.
Boxes - Corrugated

16x16x8 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping, Bundle of 15

PN: HD16168DW

16 x 16 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$52.68 / BUNDLE
IN STOCK Industrial-grade 16x16x6 double wall corrugated cartons rated ECT-48 kraft deliver maximum crush resistance and stacking performance for high-volume fulfillment operations. Ships flat in bundles of 15 to maximize warehouse storage efficiency and reduce freight costs on incoming inventory.
Boxes - Corrugated

16x16x6 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Kraft, Bundle of 15

PN: HD16166DW

16 x 16 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$89.78 / BUNDLE
IN STOCK Dependable 14x14x18 corrugated boxes manufactured from ECT-32 kraft material–engineered for standard-duty shipping, storage, and fulfillment operations. Single-wall construction balances strength and cost, making this cardboard box ideal for mid-weight products. Bundle of 25 cartons ready to ship.
Boxes - Corrugated

14x14x18 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 141418

14 x 14 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.54 / BUNDLE
IN STOCK Heavy-duty ECT-32 single wall corrugated boxes sized 12
Boxes - Corrugated

12x12x20 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 121220

12 x 12 x 20 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$53.45 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 8
Boxes - Corrugated

8x8x24 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 8824

8 x 8 x 24 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.86 / BUNDLE
IN STOCK Ship tall items efficiently with these 4x4x28 ECT-32 kraft corrugated boxes. End-loading design for quick, easy packing of fishing rods, trophies, shelving, and similar products. Sold in convenient 25-box bundles, flat-packed to maximize freight efficiency and warehouse storage.
Boxes - Corrugated

4x4x28 ECT-32 Kraft Corrugated Tall Boxes - 25-Pack Bundle

PN: 4428

4 x 4 x 28 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.52 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes measuring 20
Boxes - Corrugated

20" x 12" x 20" ECT-32 Kraft Corrugated Shipping Boxes, 20-Pack

PN: 201220

20 x 12 x 20 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$91.16 / BUNDLE
IN STOCK Protect high-value shipments with ECT-71 heavy-duty double wall construction rated for 140# stacking capacity. These 16x16x16 kraft corrugated boxes deliver superior crush resistance and freight efficiency in a convenient bundle of 15 cartons.
Boxes - Corrugated

16x16x16 ECT-71 Heavy-Duty Double Wall Boxes - 140# Capacity, Bundle of 15

PN: HD161616HDDW

16 x 16 x 16 in ECT-71 Double Wall Corrugated 15 PER BUNDLE
$228.20 / 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.