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Rigid .020 chipboard self-seal mailers designed for e-commerce brands shipping photos, documents, and flat items. 11x13.5" white mailers feature easy peel-and-seal closure with pull-tab tear strip–no extra stiffeners needed. Case of 25 mailers reduces freight costs while maintaining professional presentation.
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
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
12x15.5 28 lb Kraft Redi-Seal Envelopes 500/Case

PN: EN1045

12 x 15 1/2 in 28 lb. Paper Stock 500 PER CASE
$342.55 / CASE
Keep internal mail organized and routed efficiently with these 13" x 10" blue inter-department envelopes. String and button closure allows repeated use, while pre-printed columns for Date, Deliver To, Department, Sent By, and Department track up to 31 entries per envelope. Buy by the case of 100.
Envelopes & Mailers
13x10 Blue String Closure Inter-Department Envelopes 100/Case

PN: EN1097

13 x 10 in Paper Stock 100 PER CASE
$110.56 / 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
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
Protect your brand reputation with Packrift's 9.75 x 12.25" white self-seal stayflat mailers. Each case includes 25 professional chipboard envelopes featuring peel-and-seal closure, built-in tear strip, and superior puncture resistance–no additional stiffeners required. Lightweight design reduces freight costs while delivering premium presentation for e-commerce shipments.
Envelopes & Mailers
9.75x12.25 White Chipboard Self-Seal Mailers 25-Pack

PN: RM5SS25PK

9 3/4 x 12 1/4 in .020 Chipboard 25 PER CASE
$21.39 / CASE
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 28 lb Kraft Gummed Envelopes 2500/Case

PN: EN1020

9 x 6 in 28 lb. Paper Stock 2500 PER CASE
$430.20 / CASE
15x12.5 Kraft Self-Seal Rigid Mailers 100-Pack B825 - alias listing
Envelopes & Mailers
15x12.5 Kraft Self-Seal Rigid Mailers 100-Pack B825

PN: B825

15 x 12.5 in Laminated Fibreboard 100 PER CASE
$210.93 / CASE
Ship with confidence using these 8.5" x 10.5" self-seal Jiffy Rigi Bag® mailers featuring laminated fiberboard construction that eliminates the need for additional stiffeners. High-strength cohesive self-seal flap and integrated tear strip deliver professional presentation and effortless opening. Sold by the case of 250 units.
Envelopes & Mailers
8.5x10.5 #2 Kraft Self-Seal Rigid Mailers 250/Case

PN: B821

8 1/2 x 10 1/2 in Laminated Fibreboard 250 PER CASE
$242.42 / 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 Tab Lock Rigid Stayflats Mailers 100/Case

PN: RM8

11 x 16 in .036 Chipboard 100 PER CASE
$71.07 / CASE
Heavy-duty 12x10 kraft clasp envelopes built for reuse and durability. Reinforced metal clasps and secure gummed flap ensure documents stay protected during shipping. Each case includes 500 envelopes of 28 lb. woven kraft paper–the cost-effective solution for high-volume mailroom operations.
Envelopes & Mailers
12x10 28 lb Kraft Clasp Envelopes 500/Case

PN: EN1019

12 x 10 in 28 lb. Woven Paper 500 PER CASE
$211.42 / CASE
6x10 #0 Kraft Self-Seal Padded Mailers 25-Pack B803SS25PK - alias listing
Envelopes & Mailers
6x10 #0 Kraft Self-Seal Padded Mailers 25-Pack B803SS25PK

PN: B803SS25PK

6 x 10 in Fiber Padding 25 PER CASE
$20.62 / CASE
21x17 Kraft Self-Seal Stayflats Plus Mailers 100/Case RM7K - alias listing
Envelopes & Mailers
21x17 Kraft Self-Seal Stayflats Plus Mailers 100/Case RM7K

PN: RM7K

21 x 17 in .028 Chipboard 100 PER CASE
$138.54 / CASE
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 Reinforced Mailers 1000/Case

PN: B884SS

12 x 7.25 in Heavy-Duty Nylon Fibers 1000 PER CASE
$492.34 / CASE
Professional-grade 27 x 20" kraft self-seal stayflats mailers with .028 chipboard construction deliver maximum puncture resistance without added stiffeners. Peel-and-seal closure with easy tear strip keeps shipping costs low while protecting documents, photos, and flat goods. Sold by the case of 50.
Envelopes & Mailers
27x20 Kraft Self-Seal Stayflats Plus Mailers 50/Case

PN: RM12PSK

27 x 20 in .028 Chipboard 50 PER CASE
$129.58 / CASE
Heavily gummed 9x12" white envelopes deliver a reliable, secure seal for legal documents and bulk mailings. Made from durable 28 lb. paper stock with opaque finish to protect contents. Ship 1,000 envelopes per case for maximum value and efficiency.
Envelopes & Mailers
9x12 28 lb White Gummed Envelopes 1000/Case

PN: EN1026

9 x 12 in 28 lb. Paper Stock 1000 PER CASE
$250.73 / CASE
10.5x16 Kraft TerraBoard Flat Mailers TM1016 - alias listing
Envelopes & Mailers
10.5x16 Kraft TerraBoard Flat Mailers TM1016

PN: TM1016

16 x 10.5 in
$186.28 / CASE
Professional-grade 21x17" kraft self-seal stayflat mailers built from .028 chipboard for maximum puncture resistance and product protection during shipping. Peel-and-seal closure with pull-tab tear strip eliminates extra materials–lightweight design reduces postage costs. Sold by the case of 100.
Envelopes & Mailers
21x17 Kraft Self-Seal Stayflats Plus Mailers 100/Case

PN: RM7K

21 x 17 in .028 Chipboard 100 PER CASE
$138.54 / CASE
Premium 8.5 x 13" Jiffy Rigi Bag mailers deliver superior corner and edge protection with laminated kraft fiberboard construction. High-strength self-seal flap requires no additional stiffeners–just insert, fold, and seal. Sold as case of 200 for e-commerce brands shipping small to medium items.
Envelopes & Mailers
8.5x13 Kraft Self-Seal Rigid Mailers 200/Case

PN: B822

8 1/2 x 13 in Laminated Fibreboard 200 PER CASE
$221.65 / CASE
Heavy-duty 6x9 kraft clasp envelopes with reinforced metal clasps for maximum reusability and cost savings. Made from durable 28 lb. woven paper with a gummed flap for a permanent seal. Each case contains 1000 envelopes–the mailroom standard for businesses shipping documents and packages securely.
Envelopes & Mailers
6x9 28 lb Kraft Clasp Envelopes 1000/Case

PN: EN1001

6 x 9 in 28 lb. Woven Paper 1000 PER CASE
$220.13 / CASE
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
$54.60 / CASE
12x8.5 #2 Kraft Self-Seal Bubble Mailers 25-Pack B85525PK - alias listing
Envelopes & Mailers
12x8.5 #2 Kraft Self-Seal Bubble Mailers 25-Pack B85525PK

PN: B85525PK

12 x 8.5 in Paper Exterior/Bubble Lining 25 PER CASE
$18.25 / CASE
7.25x12 Kraft TerraBoard Flat Mailers TM712 - alias listing
Envelopes & Mailers
7.25x12 Kraft TerraBoard Flat Mailers TM712

PN: TM712

12 x 7.25 in
$110.24 / CASE
Heavy-duty 9x12" kraft clasp envelopes built from 28 lb. woven paper for maximum durability and reusability. Reinforced metal clasps and gummed flap provide a secure, permanent seal every time. Order a case of 500 and reduce your office envelope costs without compromising on strength or reliability.
Envelopes & Mailers
9x12 28 lb Kraft Clasp Envelopes 500/Case

PN: EN1004

9 x 12 in 28 lb. Woven Paper 500 PER CASE
$127.50 / CASE
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