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Professional black self-seal stayflat mailers sized 17x21" protect documents and photos during shipment without additional stiffeners. Engineered from .028 chipboard with peel-and-seal closure and easy tear strip. Lightweight design reduces freight costs–sold by the case of 100 units.
Envelopes & Mailers
17x21 Black Self-Seal Chipboard Mailers 100/Case

PN: RM1721BK

17 x 21 in .028 Chipboard 100 PER CASE
$209.30 / CASE
Ship fragile items with confidence using these 12x8.5" bubble lined poly mailers featuring 3/16" air bubble cushioning and durable 2 mil polyethylene construction. Each 25-pack includes peel-and-seal closure for fast, secure sealing with zero additional materials. Moisture, tear, and tamper resistant–the professional choice for e-commerce packers and high-volume shippers.
Envelopes & Mailers
12x8.5 #2 Self-Seal Bubble Mailers 25-Pack

PN: B83325PK

12 x 8.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$19.28 / CASE
Ship fragile goods safely with these 8.5x14.5" bubble lined poly mailers featuring 3/16" cushioning and peel-and-seal closure. Constructed from 2 mil polyethylene with integrated bubble protection, these tear-proof, moisture-resistant mailers meet carrier requirements and reduce damage claims. Case of 25 delivers reliable protection per unit at industrial scale.
Envelopes & Mailers
8.5x14.5 #3 Self-Seal Bubble Mailers 25-Pack

PN: B83825PK

8 1/2 x 14 1/2 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$21.02 / CASE
Ship-Lite® envelopes deliver six times the strength of standard paper mailers in a convenient 10x13" self-seal format. Reinforced with mesh screen poly fibers and moisture-resistant coating, these white flat mailers ship 100 units per case for maximum cost efficiency. Perfect for industrial, e-commerce, and office shipping needs.
Envelopes & Mailers
10x13 Self-Seal Reinforced Ship-Lite Mailers 100/Case

PN: SLF1013WH

10 x 13 in 26 lb. Reinforced Paper 100 PER CASE
$59.36 / CASE
10x5 Bubble Lined Poly Mailers 2 Mil White - 250 Case Pack
Envelopes & Mailers
10x5 #00 2 Mil White Self-Seal Bubble Mailers 250/Case

PN: B829

10 x 5 in 2 Mil Polyethylene / 3/16" Bubble Lining 250 PER CASE
$65.87 / CASE
10x5 #00 Self-Seal Bubble Mailers 25-Pack B82925PK - alias listing
Envelopes & Mailers
10x5 #00 Self-Seal Bubble Mailers 25-Pack B82925PK

PN: B82925PK

10 x 5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$16.78 / CASE
Protect fragile goods with professional-grade 16x10.5" bubble lined poly mailers featuring 3/16" air cushion lining and heavy-duty 2 mil polyethylene. Peel-and-seal closure, moisture and tear resistant. Case of 25 mailers ready to ship.
Envelopes & Mailers
16x10.5 #5 Self-Seal Bubble Mailers 25-Pack

PN: B83625PK

16 x 10.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$26.29 / CASE
Professional-grade rigid mailers designed for e-commerce brands shipping lightweight products without additional stiffeners. Laminated fiberboard construction with high-strength self-seal flap protects contents from bending, creasing, and corner damage. Ready to use–simply insert items and fold.
Envelopes & Mailers
7.25x10.5 Kraft Self-Seal Rigid Mailers 250/Case

PN: B820

7 1/4 x 10 1/2 in Laminated Fibreboard 250 PER CASE
$208.26 / CASE
Professional-grade nylon reinforced mailers designed for e-commerce brands shipping lightweight to medium items. Heavy-duty nylon fibers resist tears and punctures during transit, while lightweight construction reduces shipping costs. Tape or staple closure for flexible sealing options.
Envelopes & Mailers
12 x 7 1/4 in #1 Nylon Reinforced Mailers 1000/Case

PN: B884

12 x 7 1/4 in Heavy-Duty Nylon Fibers 1000 PER CASE
$414.58 / CASE
Ship fragile e-commerce items with confidence using these 12x7.25" bubble lined poly mailers. Each case includes 25 self-sealing mailers with 3/16" bubble lining and durable 2 mil polyethylene construction that resists moisture, tears, and tampering. Ideal for apparel, electronics, jewelry, and breakable items.
Envelopes & Mailers
12x7.25 #1 2 Mil Self-Seal Bubble Mailers 25-Pack

PN: B83225PK

12 x 7.25 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$17.52 / CASE
Speed up your mailroom operations with these 11x5x2" kraft expandable self-seal envelopes. No moisture required–simply peel and seal in seconds. Constructed from durable 40 lb. paper stock with tear-strip protection to keep adhesive dust-free for extended shelf life. Sold as a case of 100.
Envelopes & Mailers
11x5x2 Kraft Peel & Seal Expandable Self-Seal Envelopes 100/Case

PN: EN1064

11 x 5 x 2 in 40 lb. Paper Stock 100 PER CASE
$64.10 / CASE
Skip the moisture–just peel and seal. These 15x12x3 kraft expandable self-seal envelopes feature a tear-strip design that keeps adhesive dust-free and ready to ship. Durable 40 lb. paper stock handles bulky items with expanding sides. Case of 250 mailers saves time and cuts mailroom costs.
Envelopes & Mailers
15x12x3 Kraft Expandable Self-Seal Envelopes 250/Case

PN: EN1075

15 x 12 x 3 in 40 lb. Paper Stock 250 PER CASE
$314.04 / CASE
10x13x2" Kraft Expandable Self-Seal Envelopes - Fast Peel & Seal, 100/Case
Envelopes & Mailers
10x13x2 Kraft Peel & Seal Expandable Self-Seal Envelopes 100/Case

PN: EN1076

10 x 13 x 2 in 40 lb. Paper Stock 100 PER CASE
$103.03 / CASE
10.5x16 #5 Bubble Mailers 50/Case B923 - alias listing
Envelopes & Mailers
10.5x16 #5 Bubble Mailers 50/Case B923

PN: B923

10 1/2 x 16 in Polyethylene 50 PER CASE
$83.11 / CASE
Skip the moisture–just peel and seal. These 9.5" x 13" x 2" kraft expandable self-seal envelopes feature 40 lb. durable paper stock with sides that expand for bulky items. End-loading design, 250 per case. Ready to ship.
Envelopes & Mailers
9.5x13x2 Kraft Expandable Self-Seal Envelopes 250/Case

PN: EN1073

9 1/2 x 13 x 2 in 40 lb. Paper Stock 250 PER CASE
$210.94 / CASE
8.5x12 #2 Bubble Mailers 50/Case B921 - alias listing
Envelopes & Mailers
8.5x12 #2 Bubble Mailers 50/Case B921

PN: B921

8 1/2 x 12 in Polyethylene 50 PER CASE
$57.12 / CASE
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
16x12x2 White Corrugated Mailers 100-Pack

PN: SLE12162WS

16 x 12 x 2 in 26 lb. Reinforced Paper 100 PER CASE
$170.59 / CASE
7.25x12 #1 Bubble Mailers 50/Case B920 - alias listing
Envelopes & Mailers
7.25x12 #1 Bubble Mailers 50/Case B920

PN: B920

7.25 x 12 in Polyethylene 50 PER CASE
$46.84 / CASE
Speed up your mailroom with these 9.5x12.5" self-seal envelopes–no moisture required, just peel and seal. Constructed from durable 28lb paper stock with a protective tear strip that keeps adhesive dust-free for extended shelf life. Case of 500 delivers reliable, cost-effective mailing solutions for high-volume operations.
Envelopes & Mailers
9.5x12.5 28 lb White Self-Seal Envelopes 500/Case

PN: EN1070

9 1/2 x 12 1/2 in 28 lb. Paper Stock 500 PER CASE
$133.90 / CASE
9.5x14 Bubble Mailers 50/Case B922 - alias listing
Envelopes & Mailers
9.5x14 Bubble Mailers 50/Case B922

PN: B922

9.5 x 14 in Polyethylene 50 PER CASE
$68.11 / CASE
7.25x8 White Self-Seal Bubble Mailers 25-Pack B82725PK - alias listing
Envelopes & Mailers
7.25x8 White Self-Seal Bubble Mailers 25-Pack B82725PK

PN: B82725PK

7.25 x 8 in Polyethylene 25 PER CASE
$19.28 / CASE
Protect fragile items with these 7.25" x 8" bubble lined poly mailers featuring integrated bubble cushioning and a reliable peel-and-seal closure. Each 25-pack of white polyethylene mailers combines moisture, tear, and tamper resistance in one lightweight, cost-effective shipping solution for e-commerce packers and fragile goods shippers.
Envelopes & Mailers
7.25x8 White Self-Seal Bubble Mailers 25-Pack

PN: B82725PK

7.25 x 8 in Polyethylene 25 PER CASE
$19.28 / CASE
16x10.5 #5 Self-Seal Bubble Mailers 25-Pack B83625PK - alias listing
Envelopes & Mailers
16x10.5 #5 Self-Seal Bubble Mailers 25-Pack B83625PK

PN: B83625PK

16 x 10.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$26.29 / CASE
Ship fragile items with confidence using these 20x14.25" bubble lined poly mailers. Each 25-pack features a durable 2-mil polyethylene exterior and 3/16" bubble lining that absorbs shock and prevents damage. Peel-and-seal closure, moisture-resistant, and tear-proof for reliable protection every time.
Envelopes & Mailers
20x14.25 #7 2 Mil White Self-Seal Bubble Mailers 25-Pack

PN: B83725PK

20 x 14.25 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$44.95 / CASE
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