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 Heavily gummed kraft envelopes deliver a secure, tamper-evident seal every time. Made from durable 28 lb. paper stock with opaque finish to protect contents. Buy by the case (5,000 units) for maximum cost efficiency on mailroom and bulk mailing needs.
Envelopes & Mailers

3.5x2.25 Kraft Gummed Envelopes 28lb Paper - Secure Seal, 5000/Case

PN: EN1028

3 1/2 x 2.25 in 28 lb. Paper Stock 5000 PER CASE
$356.63 / CASE
IN STOCK Professional-grade 12 x 15.5
Envelopes & Mailers

12 x 15.5" Kraft Clasp Envelopes, 28 lb. Woven - Reusable, Case of 500

PN: EN1009

12 x 15 1/2 in 28 lb. Woven Paper 500 PER CASE
$230.20 / CASE
IN STOCK 11.5 x 14.5
Envelopes & Mailers

11.5 x 14.5" 28 lb. Kraft Clasp Envelopes - Reusable, Case of 500

PN: EN1008

11 1/2 x 14 1/2 in 28 lb. Woven Paper 500 PER CASE
$235.95 / CASE
IN STOCK 10x15
Envelopes & Mailers

10x15" Kraft Clasp Envelopes 28lb Woven Paper - Reusable, Case of 500

PN: EN1007

10 x 15 in 28 lb. Woven Paper 500 PER CASE
$204.97 / CASE
IN STOCK 10x13
Envelopes & Mailers

10x13" 28 lb. Kraft Clasp Envelopes - Reusable Security Seals, Case of 500

PN: EN1006

10 x 13 in 28 lb. Woven Paper 500 PER CASE
$152.43 / CASE
IN STOCK Heavy-duty 12x10 kraft clasp envelopes built for reuse and durability. Reinforced metal clasps and secure gummed flap ensure documents stay protected during shipping. Each case includes 500 envelopes of 28 lb. woven kraft paper–the cost-effective solution for high-volume mailroom operations.
Envelopes & Mailers

12x10 Kraft Clasp Envelopes 28lb Woven Paper - Reusable, Case of 500

PN: EN1019

12 x 10 in 28 lb. Woven Paper 500 PER CASE
$211.42 / CASE
IN STOCK These durable 9.5x12.5
Envelopes & Mailers

9.5x12.5" Kraft Clasp Envelopes 28lb Woven - Reusable, Case of 500

PN: EN1005

9 1/2 x 12 1/2 in 28 lb. Woven Paper 500 PER CASE
$164.45 / CASE
IN STOCK Heavy-duty 28 lb. woven kraft clasp envelopes built for repeated use and secure sealing. Reinforced metal clasps withstand rough handling and multiple ship cycles. Dimensions 9.25
Envelopes & Mailers

9.25 x 14.5" Kraft Clasp Envelopes 28lb - Reusable, Case of 500

PN: EN1018

9 1/4 x 14 1/2 in 28 lb. Woven Paper 500 PER CASE
$260.47 / CASE
IN STOCK Heavy-duty 9x12
Envelopes & Mailers

9x12" Kraft Clasp Envelopes, 28lb Woven Paper - 500/Case

PN: EN1004

9 x 12 in 28 lb. Woven Paper 500 PER CASE
$127.50 / CASE
IN STOCK Heavy-duty 28 lb. woven kraft clasp envelopes sized 9.5 x 6.5
Envelopes & Mailers

9.5 x 6.5" Kraft Clasp Envelopes 28 lb. Woven - Reusable, Case of 1000

PN: EN1002

9 1/2 x 6.5 in 28 lb. Woven Paper 1000 PER CASE
$246.13 / CASE
IN STOCK Heavy-duty 6x9 kraft clasp envelopes with reinforced metal clasps for maximum reusability and cost savings. Made from durable 28 lb. woven paper with a gummed flap for a permanent seal. Each case contains 1000 envelopes–the mailroom standard for businesses shipping documents and packages securely.
Envelopes & Mailers

6x9 Kraft Clasp Envelopes 28lb Woven - Reusable Metal Clasps, Case of 1000

PN: EN1001

6 x 9 in 28 lb. Woven Paper 1000 PER CASE
$220.13 / CASE
IN STOCK Heavy-duty 28 lb. woven kraft clasp envelopes with reinforced metal clasps for maximum reusability and cost savings. Secure gummed flap design ensures permanent seals for shipping compliance. Bulk case of 1,000 units sized 6 3/8
Envelopes & Mailers

6 3/8" x 4" Kraft Clasp Envelopes, 28 lb. Woven - Reusable, Case of 1000

PN: EN1014

6 3/8 x 6 3/8 in 28 lb. Woven Paper 1000 PER CASE
$387.61 / CASE
IN STOCK Jiffy Tuffgard Extreme® bubble lined poly mailers deliver twice the shock protection of standard mailers in a lightweight, cost-effective design. These 14.25x20
Envelopes & Mailers

Bubble Mailers - 14.25x20, 25/Case

PN: B924

14 1/4 x 20 in Polyethylene 25 PER CASE
$68.19 / CASE
IN STOCK 10.5x16
Envelopes & Mailers

10.5x16" Jiffy Tuffgard Extreme Bubble Mailers - Double Protection, 50/Case

PN: B923

10 1/2 x 16 in Polyethylene 50 PER CASE
$83.11 / CASE
IN STOCK Jiffy Tuffgard Extreme® bubble mailers deliver twice the protection of standard poly mailers in a lightweight, self-sealing design. Featuring 5/16
Envelopes & Mailers

Bubble Mailers - 9.5x14, 50/Case

PN: B922

9.5 x 14 in Polyethylene 50 PER CASE
$68.11 / CASE
IN STOCK Jiffy Tuffgard Extreme® bubble lined poly mailers deliver twice the protection of standard mailers in a lightweight, economical package. 5/16
Envelopes & Mailers

Bubble Mailers - 8.5x12, 50/Case

PN: B921

8 1/2 x 12 in Polyethylene 50 PER CASE
$57.12 / 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.