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Eliminate sealing delays with no-moisture self-seal technology. These 9x12 kraft envelopes feature durable 28lb paper stock with protected adhesive strip for consistent, dust-free performance. Sealed in cases of 500 for bulk mailroom efficiency.

Envelopes & Mailers

9x12 28 lb Kraft Self-Seal Envelopes 500/Case

PN: EN1033

9 x 12 in 28 lb. Paper Stock 500 PER CASE

$124.54 / 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

Speed up your mailroom operations with these 9x12x2 kraft expandable self-seal envelopes that require zero moisture–just peel and seal. Made from durable 40 lb. paper stock with tear-strip protection, these 250-count cases deliver cost-efficient bulk shipping without compromising durability. End-loading design expands to accommodate bulky items safely.

Envelopes & Mailers

9x12x2 Kraft Expandable Self-Seal Envelopes 250/Case

PN: EN1072

9 x 12 x 2 in 40 lb. Paper Stock 250 PER CASE

$201.31 / CASE

Envelopes & Mailers

15x10x2 Kraft Self-Seal Corrugated Mailers 100-Pack EN1067

PN: EN1067

15 x 10 x 2 in 40 lb. Paper Stock 100 PER CASE

$99.03 / CASE

Envelopes & Mailers

10x13x2 Kraft Peel & Seal Expandable Self-Seal Envelopes 100/Case EN1076

PN: EN1076

10 x 13 x 2 in 40 lb. Paper Stock 100 PER CASE

$103.03 / CASE

Protect oversized documents and printed items with our 24x36" kraft jumbo envelopes. Ungummed flaps allow multiple uses, reducing packaging costs per shipment. Heavy-duty 28lb paper stock provides durability for mailroom and warehouse operations–100 envelopes per case.

Envelopes & Mailers

24x36 28 lb Kraft Ungummed Jumbo Envelopes 100/Case

PN: EN1088

24 x 36 in 28 lb. Paper Stock 100 PER CASE

$257.83 / CASE

Kraft gummed envelopes with heavy-duty adhesive flaps for a tamper-proof seal. Made from strong 28 lb. paper stock with opaque material that protects contents from view. Sold as a full case of 5000 envelopes for maximum value and convenience.

Envelopes & Mailers

6 x 3 3/8 in 28 lb Kraft Gummed Envelopes 5000/Case

PN: EN1038

6 x 3 3/8 in 28 lb. Paper Stock 5000 PER CASE

$592.80 / CASE

Speed up your mailroom with these 12 x 10 x 2" kraft expandable self-seal envelopes that require zero moisture–just peel and seal in seconds. Built from durable 40 lb. paper stock with expandable sides to handle bulky items safely. Each case contains 100 envelopes ready to ship.

Envelopes & Mailers

12x10x2 Kraft Expandable Self-Seal Envelopes 100/Case

PN: EN1066

12 x 10 x 2 in 40 lb. Paper Stock 100 PER CASE

$94.16 / CASE

Speed up your mailroom with these 15x10x2" kraft expandable self-seal envelopes that require zero moisture to seal. Constructed from durable 40 lb. paper stock with side expansion for bulky items, these peel-and-seal mailers ship 100 per case and feature a protected tear strip that keeps adhesive dust-free for extended shelf life.

Envelopes & Mailers

15x10x2 Kraft Self-Seal Corrugated Mailers 100-Pack

PN: EN1067

15 x 10 x 2 in 40 lb. Paper Stock 100 PER CASE

$99.03 / CASE

Professional-grade #5 kraft self-seal padded mailers deliver superior protection without extra cushioning materials. These 10.5x16 inch kraft padded envelopes feature puncture-resistant fiber padding that expands on handling, plus moisture-resistant construction with secure peel-and-seal closure. Trusted by e-commerce brands for reliable, cost-effective shipping.

Envelopes & Mailers

10.5x16 #5 Kraft Self-Seal Padded Mailers 25-Pack

PN: B809SS25PK

10 1/2 x 16 in Fiber Padding 25 PER CASE

$37.53 / CASE

Envelopes & Mailers

9.5x4.125 #10 24 lb White Self-Seal Security Envelopes 2500/Case EN1115

PN: EN1115

9 1/2 x 4.125 in 24 lb. Woven Paper 2500 PER CASE

$375.05 / CASE

Professional green Tyvek® envelopes designed for industrial shipping and high-visibility mailing. These 12x15.5" self-seal mailers are 10 times stronger than paper, resist tears and moisture, and feature a convenient redi-strip closure. Sold in cases of 100 for maximum cost efficiency.

Envelopes & Mailers

12x15.5 Green Self-Seal Tyvek Envelopes 100/Case

PN: TYC1215G

12 x 15 1/2 in 14 lb. Olefin 100 PER CASE

$178.37 / CASE

Envelopes & Mailers

9.5x14.5 #4 Kraft Self-Seal Bubble Mailers 25-Pack B85725PK

PN: B85725PK

9 1/2 x 14 1/2 in Paper Exterior/Bubble Lining 25 PER CASE

$28.68 / CASE

Professional-grade 9x12" kraft gummed envelopes engineered for mailroom efficiency and shipping compliance. Heavy gummed flaps deliver a permanent, tamper-evident seal on 28 lb. paper stock. Order by the case (1,000 units) for maximum cost savings.

Envelopes & Mailers

9x12 28 lb Kraft Gummed Envelopes 1000/Case

PN: EN1022

9 x 12 in 28 lb. Paper Stock 1000 PER CASE

$231.66 / CASE

Envelopes & Mailers

12x15.5 Red Self-Seal Tyvek Envelopes 100/Case TYC1215R

PN: TYC1215R

12 x 15 1/2 in 14 lb. Olefin 100 PER CASE

$178.37 / CASE

Speed up your mailroom with our 6x9" kraft self-seal envelopes–no moisture or equipment needed. Simply peel, seal, and ship. Constructed from durable 28 lb. paper stock with a dust-resistant tear strip for reliable shelf life. Sold by the case of 500 for maximum efficiency.

Envelopes & Mailers

6x9 28 lb Kraft Self-Seal Envelopes 500/Case

PN: EN1068

6 x 9 in 28 lb. Paper Stock 500 PER CASE

$98.80 / CASE

Ship oversized documents, catalogs, and printed materials with Packrift's 14 x 18" kraft jumbo envelopes. Ungummed flaps enable cost-effective reuse, while 28 lb. paper stock ensures durability in transit. Case of 100 envelopes optimizes mailroom efficiency and reduces per-unit packaging costs.

Envelopes & Mailers

14x18 28 lb Kraft Ungummed Jumbo Envelopes 100/Case

PN: EN1081

14 x 18 in 28 lb. Paper Stock 100 PER CASE

$58.28 / CASE

Envelopes & Mailers

12x15.5 Silver Self-Seal Tyvek Envelopes 100/Case TYC1215S

PN: TYC1215S

12 x 15 1/2 in 14 lb. Olefin 100 PER CASE

$178.37 / CASE

Envelopes & Mailers

15x10x2 Kraft Self-Seal Corrugated Mailers 250-Pack EN1074

PN: EN1074

15 x 10 x 2 in 40 lb. Paper Stock 250 PER CASE

$232.10 / 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

Envelopes & Mailers

10x13 Kraft Self-Seal Envelopes 500/Case EN1061

PN: EN1061

10 x 13 in 28 lb. Paper Stock 500 PER CASE

$208.75 / CASE

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

10x15" Kraft Clasp Envelopes 28lb Woven Paper - Reusable, Case of 500

Envelopes & Mailers

10x15 28 lb Kraft Clasp Envelopes 500/Case

PN: EN1007

10 x 15 in 28 lb. Woven Paper 500 PER CASE

$204.97 / CASE

Keep internal communications organized and secure with these 15x10" kraft inter-department envelopes. Featuring a reusable string-tie closure and pre-printed routing columns for Date, Deliver To, Department, Sent By, and Department–plus space for 31 entries. Sold by the case of 100 for maximum cost efficiency.

Envelopes & Mailers

15x10 Kraft String Closure Inter-Department Envelopes 100/Case

PN: EN1092

15 x 10 in 28 lb. Kraft Paper 100 PER CASE

$91.48 / CASE

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