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 e-commerce shipments with these #6 kraft bubble mailers featuring 3/16
Envelopes & Mailers

19x12.5 Bubble Mailers - Kraft Self-Seal, 50/Case

PN: B859

19 x 12.5 in Paper Exterior/Bubble Lining 50 PER CASE
$65.29 / CASE
IN STOCK Protect fragile shipments with Packrift's #4 kraft heat-seal bubble mailers featuring 3/16
Envelopes & Mailers

14.5x9.5 Bubble Mailers - Kraft Self-Seal, 100/Case

PN: B857

14 1/2 x 9.5 in Paper Exterior/Bubble Lining 100 PER CASE
$84.92 / CASE
IN STOCK 8.5x14.5
Envelopes & Mailers

8.5x14.5 Bubble Mailers - Kraft Self-Seal, 100/Case

PN: B856

8 1/2 x 14 1/2 in Paper Exterior/Bubble Lining 100 PER CASE
$73.70 / CASE
IN STOCK 12x8.5
Envelopes & Mailers

12x8.5 Bubble Mailers - Kraft Self-Seal, 100/Case

PN: B855

12 x 8.5 in Paper Exterior/Bubble Lining 100 PER CASE
$64.00 / CASE
IN STOCK Protect fragile shipments with Packrift's 12 x 7.25
Envelopes & Mailers

12x7.25 Bubble Mailers - Kraft Self-Seal, 100/Case

PN: B854

12 x 7.25 in Paper Exterior/Bubble Lining 100 PER CASE
$59.48 / CASE
IN STOCK 6x10
Envelopes & Mailers

6x10 Bubble Mailers - Kraft Self-Seal, 250/Case

PN: B853

6 x 10 in Paper Exterior/Bubble Lining 250 PER CASE
$94.55 / CASE
IN STOCK Professional-grade 15.5
Envelopes & Mailers

15.5 x 12 Kraft Gummed Envelopes 28 lb - Secure Seal, Case of 250

PN: EN1024

15 1/2 x 12 in 28 lb. Paper Stock 250 PER CASE
$109.23 / CASE
IN STOCK 11.5 x 14.5
Envelopes & Mailers

11.5 x 14.5" Kraft Gummed Envelopes 28lb - Secure Seal, Case of 250

PN: EN1012

11 1/2 x 14 1/2 in 28 lb. Paper Stock 250 PER CASE
$120.55 / CASE
IN STOCK Heavy-duty 9.5x12.5
Envelopes & Mailers

9.5x12.5" Kraft Gummed Envelopes 28lb - Secure Seal, Case of 500

PN: EN1035

9 1/2 x 12 1/2 in 28 lb. Paper Stock 500 PER CASE
$142.91 / CASE
IN STOCK Professional-grade 9x12
Envelopes & Mailers

9x12" Kraft Gummed Envelopes 28lb Paper - Secure Seal, Case of 1000

PN: EN1022

9 x 12 in 28 lb. Paper Stock 1000 PER CASE
$231.66 / CASE
IN STOCK Professional-grade kraft gummed envelopes in 9.5
Envelopes & Mailers

9.5 x 6.5" Kraft Gummed Envelopes - 28 lb Paper, Case of 2500

PN: EN1034

9 1/2 x 6.5 in 28 lb. Paper Stock 2500 PER CASE
$439.62 / CASE
IN STOCK Heavily gummed 9x6 kraft envelopes deliver a reliably secure seal for your mailroom operations. Made from strong 28 lb. paper stock with opaque construction to protect contents from view. Ships as a case of 2,500 units–the cost-efficient choice for high-volume mailers.
Envelopes & Mailers

9x6 Kraft Gummed Envelopes 28lb - Secure Seal, Case of 2500

PN: EN1020

9 x 6 in 28 lb. Paper Stock 2500 PER CASE
$430.20 / CASE
IN STOCK Secure, professional kraft gummed envelopes built for high-volume mailrooms and shipping operations. Heavy-duty 28 lb. paper stock with opaque construction prevents content visibility, while heavily gummed flaps ensure tamper-proof seals every time. Bulk case of 5,000 units delivers cost-effective mailing solutions.
Envelopes & Mailers

6.5 x 3.5" Kraft Gummed Envelopes - Secure Seal, 28 lb, Case of 5000

PN: EN1031

6 1/2 x 3.5 in 28 lb. Paper Stock 5000 PER CASE
$673.62 / CASE
IN STOCK Kraft gummed envelopes with heavy-duty adhesive flaps for a tamper-proof seal. Made from strong 28 lb. paper stock with opaque material that protects contents from view. Sold as a full case of 5000 envelopes for maximum value and convenience.
Envelopes & Mailers

6 x 3 3/8" Kraft Gummed Envelopes 28lb - Secure Seal, 5000/Case

PN: EN1038

6 x 3 3/8 in 28 lb. Paper Stock 5000 PER CASE
$592.80 / CASE
IN STOCK Secure your small items with these professional-grade kraft gummed envelopes featuring heavily gummed flaps and durable 28 lb. paper stock. Sized at 5.5
Envelopes & Mailers

5.5 x 3.125" Kraft Gummed Envelopes - Secure 28lb Paper, Case of 5000

PN: EN1030

5 1/2 x 3.125 in 28 lb. Paper Stock 5000 PER CASE
$509.38 / CASE
IN STOCK Professional-grade kraft gummed envelopes measuring 4 1/4
Envelopes & Mailers

4 1/4 x 2 1/2" Kraft Gummed Envelopes - Secure Seal, 28 lb. Paper, Case of 5000

PN: EN1029

4 1/4 x 2 1/2 in 28 lb. Paper Stock 5000 PER CASE
$377.00 / 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.