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 Ship with confidence using these 8.5
Envelopes & Mailers

Padded Envelopes - 8.5x14.5, White, Self-Seal, 25-Pack

PN: B806WSS25PK

8 1/2 x 14 1/2 in Fiber Padding 25 PER CASE
$25.13 / CASE
IN STOCK Ship with confidence using these 8.5x12 white self-seal padded mailers. Expandable fiber padding absorbs shock while puncture-resistant construction protects contents without additional cushioning. Natural rubber adhesive peel-and-seal closure keeps packages secure every time–25 mailers per case.
Envelopes & Mailers

Padded Envelopes - 8.5x12, White, Self-Seal, 25-Pack

PN: B805WSS25PK

8 1/2 x 12 in Fiber Padding 25 PER CASE
$21.85 / CASE
IN STOCK Professional-grade #1 white self-seal padded mailers deliver built-in shock absorption with expandable fiber padding and secure peel-and-seal closure. At 7.25
Envelopes & Mailers

Padded Envelopes - 7.25x12, White, Self-Seal, 25-Pack

PN: B804WSS25PK

12 x 12 in Fiber Padding 25 PER CASE
$19.03 / CASE
IN STOCK Professional white self-seal padded mailers sized 6
Envelopes & Mailers

Padded Envelopes - 6x10, White, #0, Self-Seal, 25-Pack

PN: B803WSS25PK

6 x 10 in Fiber Padding 25 PER CASE
$15.96 / CASE
IN STOCK Professional white padded mailers with self-seal closure and built-in fiber padding that absorbs shock during handling. These #7 mailers offer puncture and moisture resistance, eliminating the need for additional cushioning materials. Sold in convenient cases of 50 for e-commerce brands shipping fragile items.
Envelopes & Mailers

Padded Envelopes - 14.25x20, White, Self-Seal, 50/Case

PN: B811WSS

14 1/4 x 20 in Fiber Padding 50 PER CASE
$74.02 / CASE
IN STOCK Ship products with confidence using these 12.5 x 19
Envelopes & Mailers

Padded Envelopes - 12.5x19, White, Self-Seal, 50/Case

PN: B810WSS

12 1/2 x 19 in Fiber Padding 50 PER CASE
$61.87 / CASE
IN STOCK Professional-grade #5 white self-seal padded mailers designed for e-commerce brands shipping delicate items. These 10.5x16
Envelopes & Mailers

10.5x16" Fiber Padded Self-Seal Mailers #5 White - 100 Pack

PN: B809WSS

10 1/2 x 16 in Fiber Padding 100 PER CASE
$93.46 / CASE
IN STOCK Professional white self-seal padded mailers (9.5x14.5
Envelopes & Mailers

9.5x14.5 White #4 Self-Seal Padded Mailers - Puncture Resistant, Case of 100

PN: B807WSS

9 1/2 x 14 1/2 in Fiber Padding 100 PER CASE
$79.66 / CASE
IN STOCK Packrift's 8.5
Envelopes & Mailers

Padded Envelopes - 8.5x14.5, White, Self-Seal, 100/Case

PN: B806WSS

14 1/2 x 14 1/2 in Fiber Padding 100 PER CASE
$74.06 / CASE
IN STOCK Professional-grade 8.5
Envelopes & Mailers

Padded Envelopes - 8.5x12, White, Self-Seal, 100/Case

PN: B805WSS

8 1/2 x 12 in Fiber Padding 100 PER CASE
$65.56 / CASE
IN STOCK Professional white self-seal padded mailers built for e-commerce brands shipping lightweight to medium products. Expandable fiber padding absorbs shock while peel-and-seal closure with natural rubber adhesive ensures secure, damage-free delivery–no additional cushioning required. 100 per case.
Envelopes & Mailers

Padded Envelopes - 7.25x12, White, Self-Seal, 100/Case

PN: B804WSS

7 1/4 x 12 in Fiber Padding 100 PER CASE
$59.76 / CASE
IN STOCK Protect your shipments with these professional-grade 6x10 white padded mailers featuring natural rubber self-seal adhesive and puncture-resistant fiber padding. Absorb shock automatically as packages are handled–no additional cushioning required. Sold by the case of 250.
Envelopes & Mailers

6x10 Fiber Padded Self-Seal White Mailers #0 - 250/Case

PN: B803WSS

6 x 10 in Fiber Padding 250 PER CASE
$124.50 / CASE
IN STOCK Ship photos, documents, and products with confidence using these 15 x 12 3/4
Envelopes & Mailers

15 x 12 3/4" White Chipboard Self-Seal Mailers - Professional Protection, 25 Pack

PN: RM4SS25PK

15 x 12 3/4 in .020 Chipboard 25 PER CASE
$28.74 / CASE
IN STOCK Rigid .020 chipboard self-seal mailers designed for e-commerce brands shipping photos, documents, and flat items. 11x13.5
Envelopes & Mailers

11x13.5" White Chipboard Self-Seal Mailers - 25 Pack

PN: RM3SS25PK

11 x 13 1/2 in .020 Chipboard 25 PER CASE
$23.95 / CASE
IN STOCK Protect your brand reputation with Packrift's 9.75 x 12.25
Envelopes & Mailers

9.75 x 12.25" White Chipboard Self-Seal Mailers - Professional Protection, 25 Pack

PN: RM5SS25PK

9 3/4 x 12 1/4 in .020 Chipboard 25 PER CASE
$21.39 / CASE
IN STOCK Professional-grade white self-seal flat mailers protect sensitive documents and photos during shipping without additional stiffeners. Features durable .020 chipboard construction, peel-and-seal closure with pull-tab tear strip, and lightweight design that reduces freight costs. Sold as case of 25.
Envelopes & Mailers

9x11.5" White Rigid Chipboard Self-Seal Mailers - 25 Pack

PN: RM2SS25PK

9 x 11 1/2 in .020 Chipboard 25 PER CASE
$20.07 / 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.