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Professional-grade kraft self-seal stayflats plus mailers protect documents and photos with .028 chipboard construction and reliable peel-and-seal closure. 9.75" x 12.25" dimensions ship 100 per case, reducing postage costs with no stiffeners needed. Easy tear-strip opening speeds processing for high-volume e-commerce operations.
Envelopes & Mailers
9.75x12.25" Kraft Self-Seal Stayflats Plus Mailers - 100/Case

PN: RM5K

9 3/4 x 12 1/4 in .028 Chipboard 100 PER CASE
$48.30 / CASE
10x13 Self-Seal Poly Mailers 2.5 Mil White - 1000 Pack
Envelopes & Mailers
10x13 Self-Seal Poly Mailers 2.5 Mil White - 1000 Pack

PN: B867

10 x 13 in 2.5 Mil Polyethylene 1000 PER CASE
$118.24 / CASE
Professional 6" x 9.5" white self-seal stayflat mailers made from 100% recycled .018 chipboard. Features pressure-sensitive adhesive closure with convenient tear strip for quick, secure sealing. Sold by the case of 200 units.
Envelopes & Mailers
6x9.5" White Chipboard Self-Seal Mailers - 200/Case

PN: RMU96W

6 x 9.5 in .018 Chipboard 200 PER CASE
$66.73 / CASE
4.5x5.5" Recycled Packing List Envelopes - Green, 1000/Case
Packing List Envelopes
4.5x5.5" Recycled Packing List Envelopes - Green, 1000/Case

PN: PQGREEN12

4 1/2 x 5.5 in Recycled Green Tinted Polyethylene 1000 PER CASE
$58.18 / CASE
Premium 18x24" white self-seal flat mailers crafted from .020 chipboard deliver maximum puncture resistance and professional presentation for e-commerce shipments. The peel-and-seal closure activates instantly‚no tape, no stiffeners required. Order by the case of 50 and reduce freight costs with lightweight construction.
Envelopes & Mailers
18x24" White Chipboard Self-Seal Stayflats Plus Mailers - Case of 50

PN: RM11PS

18 x 24 in .020 Chipboard 50 PER CASE
$94.44 / CASE
10x13x2 Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100
Envelopes & Mailers
10x13x2 Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100

PN: EPM10132

10 x 13 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$15.66 / CASE
Display your products while protecting them. These 9x12" clear view poly mailers feature a transparent front window and self-seal closure for professional presentation. Made from tear-resistant 2.5 mil polyethylene with double perforations for easy opening. Sold as a case of 100.
Envelopes & Mailers
9x12" Clear View Poly Mailers, 2.5 Mil Self-Seal, 100/Case

PN: CV912100PK

9 x 12 in 2.5 Mil Polyethylene 100 PER CASE
$20.52 / CASE
10x13 Pink Self-Seal Poly Mailers 2.5 Mil - Puncture Resistant, Case of 100
Envelopes & Mailers
10x13 Pink Self-Seal Poly Mailers 2.5 Mil - Puncture Resistant, Case of 100

PN: CPM1013P

10 x 13 in 2.5 Mil Polyethylene 100 PER CASE
$22.98 / CASE
Professional-grade 11x16" kraft stayflat mailers featuring rigid .036 chipboard construction and reliable tab lock closure. Perfect for e-commerce brands shipping photos, documents, and flat merchandise. Sold by the case of 100‚no additional stiffeners needed.
Envelopes & Mailers
11x16" Kraft Stayflats Tab Lock Mailers - Rigid Protection, Case/100

PN: RM8

11 x 16 in .036 Chipboard 100 PER CASE
$62.87 / CASE
Ship fragile items confidently with these 9.5x14.5" bubble lined poly mailers featuring 3/16" bubble cushioning and 2-mil polyethylene construction. Peel-and-seal closure ensures tamper evidence and quick sealing for high-volume e-commerce operations. Pack of 25 provides reliable, cost-effective protection per shipment.
Envelopes & Mailers
9.5x14.5" Bubble Lined Poly Mailers, 2-Mil White - 25 Pack

PN: B83425PK

9 1/2 x 14 1/2 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$19.38 / CASE
Professional 6x6" white self-seal stayflat mailers made from durable .020 chipboard provide superior puncture resistance and document protection without additional stiffeners. Featuring a convenient peel-and-seal closure with pull-tab tear strip for quick opening. Sold by the case of 200 units‚lightweight design saves on freight costs.
Envelopes & Mailers
6x6" White Chipboard Self-Seal Stayflats Plus Mailers - Case of 200

PN: RM9SS

6 x 6 in .020 Chipboard 200 PER CASE
$53.13 / 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 - No Moisture Needed, Case of 250

PN: EN1075

15 x 12 x 3 in 40 lb. Paper Stock 250 PER CASE
$277.81 / CASE
Heavy-duty 19x14.5" white poly mailers built for e-commerce brands that demand puncture and water resistance. 2.5 mil polyethylene construction with high-strength seams and professional silver-lined interior. Self-seal closure with reliable adhesion‚250 mailers per case.
Envelopes & Mailers
19x14.5" Self-Seal Poly Mailers 2.5 Mil White - Case of 250

PN: B876

19 x 14.5 in 2.5 Mil Polyethylene 250 PER CASE
$55.87 / CASE
Professional 14x17" self-seal poly mailers designed for ecommerce brands shipping high-value items. 2.5 mil polyethylene construction delivers puncture, water, and tear resistance with strong seams that stay intact even when overpacked. Bulk case of 500 white mailers with convenient tear strip opening and silver inner lining that accepts labels and stamps perfectly.
Envelopes & Mailers
14x17" 2.5 Mil Self-Seal Poly Mailers White - Puncture Resistant, Case of 500

PN: B879

14 x 17 in 2.5 Mil Polyethylene 500 PER CASE
$105.18 / 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" Bubble Lined Poly Mailers White 2-Mil 3/16" Bubble - 25 Pack

PN: B83725PK

20 x 14.25 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$39.77 / CASE
Heavy-duty 28 lb. woven kraft clasp envelopes sized 9.5 x 6.5" with reinforced metal clasps for secure, reusable storage and shipping. Gummed flap creates a permanent seal when moistened. Buy by the case (1000 count) and reduce per-unit costs for your mailroom or shipping department.
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
$217.73 / CASE
Protect your shipments with our 12x15.5" blue self-seal poly mailers‚engineered for puncture, tear, and water resistance. Each case includes 100 durable 2.5 mil polyethylene mailers with high-strength seams and a professional blue exterior that attracts customer attention while the silver inner lining accepts labels and stamps perfectly.
Envelopes & Mailers
12x15.5" Blue Poly Mailers - Self-Seal, Puncture-Resistant, Case of 100

PN: CPM1215BL

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$33.67 / CASE
Heavy-duty 2 mil poly SDS envelopes with pre-printed "Safety Data Sheet" text and adhesive backing for secure document containment. 5.5" x 10" size accommodates standard safety data sheets and packing lists. Case of 1000 envelopes provides cost-effective compliance documentation for industrial shipping.
Packing List Envelopes
5.5x10" Safety Data Sheet SDS Envelopes, 2 Mil Poly, Case of 1000

PN: PL494

5 1/2 x 10 in 2 Mil Poly 1000 PER CASE
$96.74 / CASE
Color-code your shipments with industrial-grade green Tyvek shipping tags that resist tearing, moisture, chemicals, and mildew. Each 5 3/4" x 2 7/8" tag features a 3/16" metal eyelet for secure attachment with string or wire, sold as a case of 100 for cost-effective bulk shipping.
Tags
5 3/4" x 2 7/8" Green Tyvek Shipping Tags - Tear & Moisture-Resistant, Case of 100

PN: G14071C

2 7/8 x 2 7/8 in Spunbonded Olefin 100 PER CASE
$48.44 / CASE
Ship fragile items with confidence using these 8x4 self-seal bubble mailers. Each case contains 500 white polyethylene envelopes with 3/16" bubble lining for superior shock protection. Peel-and-seal closure, moisture-resistant, and UPS-eligible for seamless fulfillment.
Envelopes & Mailers
8x4 Bubble Lined Poly Mailers - Self-Seal White, Case of 500

PN: B828

8 x 4 in 2 Mil Polyethylene / 3/16" Bubble Lining 500 PER CASE
$93.43 / CASE
Speed up mailroom operations with these self-seal kraft envelopes that require no moisture or adhesive tape. Constructed from durable 28 lb. paper stock, these 12 x 15.5" redi-seal envelopes deliver reliable shipping compliance and cost-effective bulk mailing solutions in cases of 500.
Envelopes & Mailers
12 x 15.5" Kraft Redi-Seal Envelopes, 28 lb. Paper - Case of 500

PN: EN1045

12 x 15 1/2 in 28 lb. Paper Stock 500 PER CASE
$303.03 / CASE
Ship-Lite® self-seal mailers deliver industrial-grade durability at competitive pricing. These 12x15.5" white envelopes are 6 times stronger than standard paper mailers, thanks to reinforced mesh poly fibers that resist moisture and wear. Packed 100 per case with self-adhesive closure for fast, efficient shipping.
Envelopes & Mailers
12x15.5" Ship-Lite White Self-Seal Mailers - 6X Stronger, Case of 100

PN: SLF1215WH

12 x 15 1/2 in 26 lb. Reinforced Paper 100 PER CASE
$77.31 / CASE
Heavy-duty 20x16 kraft jumbo envelopes designed for oversized printed materials and flat storage. Ungummed flaps enable cost-effective reuse, while 28 lb. paper stock ensures durability in transit. Order by the case of 100 for maximum efficiency.
Envelopes & Mailers
20x16 Kraft Jumbo Envelopes 28lb - Ungummed Reusable, Case of 100

PN: EN1083

20 x 16 in 28 lb. Paper Stock 100 PER CASE
$64.46 / CASE
Professional-grade 18x24" kraft stayflat mailers with .028 chipboard construction deliver reliable puncture resistance for photos, documents, and merchandise. Self-sealing closure with easy tear strip‚no tape required. Lightweight design reduces postage costs while maintaining maximum protection in a case of 50 units.
Envelopes & Mailers
18x24" Kraft Self-Seal Stayflats Plus Mailers - Puncture Resistant, Case of 50

PN: RM11PSK

18 x 24 in .028 Chipboard 50 PER CASE
$86.54 / CASE
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