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 10.5x16 Nylon Reinforced Self-Seal Mailers #5 - 500/Case
Envelopes & Mailers

10.5x16 Nylon Reinforced Self-Seal Mailers #5 - 500/Case

PN: B888SS

10 1/2 x 16 in Heavy-Duty Nylon Fibers 500 PER CASE
$514.72 / CASE
IN STOCK Packrift's 12x7.25 #1 self-seal nylon reinforced mailers deliver professional-grade protection without extra cushioning. Made with heavy-duty nylon fibers for tear resistance, these lightweight shipping bags reduce postage costs while maintaining a polished, branded presentation. Peel-and-seal design with natural rubber adhesive that sticks only to itself–1,000 per case.
Envelopes & Mailers

12x7.25 #1 Self-Seal Nylon Reinforced Mailers - 1000/Case

PN: B884SS

12 x 7.25 in Heavy-Duty Nylon Fibers 1000 PER CASE
$492.34 / CASE
IN STOCK Industrial-strength white Tyvek self-seal mailers built to protect high-value shipments. 23
Envelopes & Mailers

18 x 23" White Tyvek Self-Seal Envelopes - Tear & Puncture Resistant, Case of 100

PN: TYF1823WS

18 x 23 in 14 lb. Olefin 100 PER CASE
$309.05 / CASE
IN STOCK Premium 15x20 white Tyvek® flat envelopes engineered for industrial shipping and document protection. Self-sealing design with 14 lb. olefin construction delivers 10x the tear resistance of standard paper mailers. Order by the case (100 units) for maximum cost efficiency and reliability.
Envelopes & Mailers

15x20 Tyvek Self-Seal Flat Envelopes White 14lb - Case of 100

PN: TYF1520WS

15 x 20 in 14 lb. Olefin 100 PER CASE
$254.64 / CASE
IN STOCK Professional-grade 13x19
Envelopes & Mailers

13x19" White Tyvek Self-Seal Flat Envelopes - Tear Resistant, Case of 100

PN: TYF1319WH

13 x 19 in 14 lb. Olefin 100 PER CASE
$163.05 / CASE
IN STOCK Protect your shipments with professional-grade 12x15.5
Envelopes & Mailers

12x15.5" White Tyvek Flat Envelopes - Tear Resistant, Case of 100

PN: TYF1215WH

12 x 15 1/2 in 14 lb. Olefin 100 PER CASE
$79.30 / CASE
IN STOCK Superior protection meets ease of use. These 10x15 white Tyvek self-seal envelopes feature 14 lb. olefin construction–10x stronger than paper–with built-in self-adhesive closure. Each case of 100 delivers reliable waterproof, tear-resistant performance for documents, samples, and shipping-sensitive items.
Envelopes & Mailers

10x15 White Tyvek Self-Seal Envelopes - Tear & Moisture Proof, Case of 100

PN: TYF1015WH

10 x 15 in 14 lb. Olefin 100 PER CASE
$72.97 / CASE
IN STOCK 10x13 Tyvek First Class Mailers, 14lb Olefin, Self-Seal, Case of 100
Envelopes & Mailers

10x13 Tyvek First Class Mailers, 14lb Olefin, Self-Seal, Case of 100

PN: TYF1013FC

10 x 13 in 14 lb. Olefin 100 PER CASE
$62.54 / CASE
IN STOCK Premium 13 x 10
Envelopes & Mailers

13 x 10" Tyvek Self-Seal Envelopes, 14 lb Olefin, Case of 100

PN: TYF1013WS

13 x 10 in 14 lb. Olefin 100 PER CASE
$74.97 / CASE
IN STOCK 10x13
Envelopes & Mailers

10x13" White Tyvek Self-Seal Flat Envelopes - Tear & Puncture Resistant, Case of 100

PN: TYF1013WH

10 x 13 in 14 lb. Olefin 100 PER CASE
$56.02 / CASE
IN STOCK Protect your shipments with 9.5x12.5
Envelopes & Mailers

9.5x12.5" White Tyvek Self-Seal Envelopes - Tear & Moisture Resistant, Case of 100

PN: TYF091212WH

9 1/2 x 12 1/2 in 14 lb. Olefin 100 PER CASE
$60.23 / CASE
IN STOCK Premium 9x12 Tyvek First Class envelopes deliver 10x the tear resistance of paper mailers with built-in self-seal closure and First Class printed borders. Constructed from 14 lb. olefin material for superior puncture, tear, and moisture protection. Case of 100 units ensures consistent, compliant shipping.
Envelopes & Mailers

9x12 Tyvek First Class Mailing Envelopes - Tear & Moisture Resistant, Case of 100

PN: TYF0912FC

9 x 12 in 14 lb. Olefin 100 PER CASE
$56.76 / CASE
IN STOCK Industrial-grade 9x12
Envelopes & Mailers

9x12" Tyvek Self-Seal Envelopes White 14lb - Case of 100

PN: TYF0912WS

9 x 12 in 14 lb. Olefin 100 PER CASE
$64.10 / CASE
IN STOCK Ship with confidence using these 9x12 white Tyvek self-seal envelopes. Made from durable 14 lb. olefin material–10 times stronger than standard paper envelopes–they resist tears, punctures, and moisture while maintaining a professional appearance. Order by the case (100 units) and enjoy wholesale pricing with reliable delivery.
Envelopes & Mailers

9x12 White Tyvek Self-Seal Envelopes - Tear Resistant, Case of 100

PN: TYF0912WH

9 x 12 in 14 lb. Olefin 100 PER CASE
$54.44 / CASE
IN STOCK Ship with confidence using these 7.5x10.5 white Tyvek self-seal envelopes–10 times stronger than paper and engineered to withstand rough handling. Constructed from durable 14 lb. olefin with built-in self-adhesive closure for fast, compliant shipping. Sold by the case of 100.
Envelopes & Mailers

7.5x10.5 White Tyvek Self-Seal Envelopes - Tear Resistant, Case of 100

PN: TYF0710WH

7 1/2 x 10 1/2 in 14 lb. Olefin 100 PER CASE
$50.34 / CASE
IN STOCK Ship with confidence using these 6x9
Envelopes & Mailers

6x9" White Tyvek Self-Seal Envelopes - Tear Resistant, Case of 100

PN: TYF0609WH

6 x 9 in 14 lb. Olefin 100 PER CASE
$42.86 / 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.