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 Protect fragile items while elevating your brand with these 11x7.5
Envelopes & Mailers

11x7.5" Silver Metallic Bubble Mailers - 92 Gauge, Self-Seal, Case of 72

PN: GBM0711S

11 x 7.5 in 92 Gauge Metalized Polyester 72 PER CASE
$87.41 / CASE
IN STOCK Protect fragile items and elevate your brand with these 6.75x7 silver glamour bubble mailers. Made from 92 gauge metallized polyester with peel-and-seal closure, they're lightweight, moisture-resistant, and ship-ready. 72 mailers per case.
Envelopes & Mailers

6.75x7 Silver Metallic Bubble Mailers - 92 Gauge, Case of 72

PN: GBM0706S

6 3/4 x 7 in 92 Gauge Metalized Polyester 72 PER CASE
$85.37 / CASE
IN STOCK Ship-Lite® self-seal mailers deliver industrial-grade durability at competitive pricing. These 12x15.5
Envelopes & Mailers

12x15.5" Ship-Lite White Self-Seal Mailers - 6X Stronger, Case of 100

PN: SLF1215WH

12 x 15 1/2 in 26 lb. Reinforced Paper 100 PER CASE
$87.40 / CASE
IN STOCK Ship-Lite® envelopes deliver six times the strength of standard paper mailers in a convenient 10x13
Envelopes & Mailers

10x13" Reinforced Ship-Lite Self-Seal Envelopes - 6X Stronger, Case of 100

PN: SLF1013WH

10 x 13 in 26 lb. Reinforced Paper 100 PER CASE
$59.36 / CASE
IN STOCK Industrial-grade 9x12
Envelopes & Mailers

9x12" Reinforced Ship-Lite Self-Seal Mailers - 6X Stronger, Case of 100

PN: SLF0912WH

9 x 12 in 26 lb. Reinforced Paper 100 PER CASE
$54.76 / CASE
IN STOCK Ship-Lite® self-seal mailers engineered for industrial shipping. These 6x9
Envelopes & Mailers

6x9" Reinforced Paper Ship-Lite Self-Seal Mailers - Case of 100

PN: SLF0609WH

6 x 9 in 26 lb. Reinforced Paper 100 PER CASE
$31.43 / CASE
IN STOCK Professional-grade 26x28x5
Envelopes & Mailers

26x28x5" Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100

PN: EPM26285

26 x 28 x 5 in 2.5 Mil Polyethylene 100 PER CASE
$84.62 / CASE
IN STOCK Professional-grade 15x20x4
Envelopes & Mailers

Poly Mailers - 15x20x4, 2.5 Mil, Self-Seal, 100/Case

PN: EPM15204

15 x 20 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$37.43 / CASE
IN STOCK Professional-grade 13x16x4
Envelopes & Mailers

Poly Mailers - 13x16x4, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM13164

13 x 16 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$28.11 / CASE
IN STOCK Professional-grade 13x16x2
Envelopes & Mailers

Poly Mailers - 13x16x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM13162

13 x 16 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$32.54 / CASE
IN STOCK Professional-grade 11x13x4
Envelopes & Mailers

Poly Mailers - 11x13x4, 2.5 Mil, Self-Seal, 100/Case

PN: EPM11134

11 x 13 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$19.72 / CASE
IN STOCK Professional-grade 11x13x2 expansion poly mailers designed for e-commerce brands shipping thicker items like books, binders, and catalogs. 2.5 mil puncture and moisture-resistant polyethylene with self-seal closure and easy tear strip. 100 mailers per case.
Envelopes & Mailers

Poly Mailers - 11x13x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM11132

11 x 13 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$22.89 / CASE
IN STOCK 10x13x2 Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100
Envelopes & Mailers

Poly Mailers - 10x13x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM10132

10 x 13 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$17.71 / CASE
IN STOCK Ship-Lite® envelopes deliver 6x the strength of standard paper mailers in a convenient expandable design. Made from 26 lb. reinforced paper with mesh screen poly fibers and moisture resistance, these white self-seal mailers handle books and bulky items with confidence. Buy by the case of 100 and reduce shipping damage while cutting costs.
Envelopes & Mailers

16" x 12" x 2" White Paper Corrugated Mailers, 100-Pack

PN: SLE12162WS

16 x 12 x 2 in 26 lb. Reinforced Paper 100 PER CASE
$170.59 / CASE
IN STOCK Ship-Lite® expandable mailers provide six times the strength of standard paper envelopes, engineered for industrial shipping needs. Reinforced with mesh-screened poly fibers and featuring moisture-resistant construction, these 12x16x2 white mailers handle books and bulky items with ease. Self-sealing closure and 100-piece case packaging maximize efficiency for high-volume shippers.
Envelopes & Mailers

12" x 16" x 2" White Corrugated Mailers, 100-Pack

PN: SLE12162WE

12 x 16 x 2 in 26 lb. Reinforced Paper 100 PER CASE
$170.59 / CASE
IN STOCK 10x15x2
Envelopes & Mailers

10x15x2" Expandable Ship-Lite Envelopes, 26 lb. Reinforced Paper, Case of 100

PN: SLE10152WS

10 x 15 x 2 in 26 lb. Reinforced Paper 100 PER CASE
$126.15 / CASE

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.