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Heavy-duty 18x51" self-seal mailers built from durable 4 mil polyethylene for maximum puncture resistance and professional presentation. Moisture-resistant construction with quick-stick adhesive closure ensures secure, tamper-evident sealing every time. Order by the case (25 units) for reliable, cost-effective shipping protection.
Envelopes & Mailers
18x51 4 Mil Self-Seal Poly Mailers 25/Case

PN: LPM1851

18 x 51 in Polyethylene 25 PER CASE
$52.05 / CASE
8.5x14.5 #3 Reinforced Mailers 500/Case B886 - alias listing
Envelopes & Mailers
8.5x14.5 #3 Reinforced Mailers 500/Case B886

PN: B886

8 1/2 x 14 1/2 in Heavy-Duty Nylon Fibers 500 PER CASE
$293.08 / CASE
10.5x16 #5 White Fiber Padded Self-Seal Mailers 100-Pack B809WSS - alias listing
Envelopes & Mailers
10.5x16 #5 White Fiber Padded Self-Seal Mailers 100-Pack B809WSS

PN: B809WSS

10 1/2 x 16 in Fiber Padding 100 PER CASE
$93.46 / CASE
12.5x15 Kraft TerraBoard Flat Mailers
Envelopes & Mailers
12.5x15 Kraft TerraBoard Flat Mailers

PN: TM1215

15 x 12.5 in
$182.95 / CASE
Professional 27 x 22" kraft stayflat mailers engineered for e-commerce brands shipping photos, documents, and flat goods. Heavy-duty .036 chipboard with tab lock closure delivers puncture resistance and consistent protection without additional stiffeners. Lightweight design reduces postage costs–50 mailers per case.
Envelopes & Mailers
27x22 Kraft Chipboard Tab Lock Stayflats Mailers 50/Case

PN: RM27

27 x 22 in .036 Chipboard 50 PER CASE
$124.37 / CASE
14.5x19 Self-Seal Poly Mailers 500/Case B861 - alias listing
Envelopes & Mailers
14.5x19 Self-Seal Poly Mailers 500/Case B861

PN: B861

14 1/2 x 19 in 2.5 Mil Polyethylene 500 PER CASE
$141.99 / 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
Protect documents and photos with confidence using our 6x9 white chipboard side loading Stayflats Lite® mailers. These self-seal, self-adhesive mailing flats feature a peel-and-seal closure with pull-tab tear strip for hassle-free sealing and opening. Sold as a case of 200 lightweight mailers that require no additional stiffeners.
Envelopes & Mailers
6x9 White Side Loading Chipboard Stayflats Lite Mailers 200/Case

PN: RM19SS

6 x 9 in .024 Chipboard 200 PER CASE
$104.65 / CASE
Professional 27x20" kraft stayflat mailers with tab lock closure protect your e-commerce shipments without adding bulk or cost. Made from durable .036 chipboard that requires no additional stiffeners, these heavy-duty flat mailers keep documents and photos pristine while staying lightweight to maximize postage savings. Order by the case of 50.
Envelopes & Mailers
27x20 Kraft Chipboard Tab Lock Stayflats Mailers 50/Case

PN: RM12

27 x 20 in .036 Chipboard 50 PER CASE
$105.47 / 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 White Self-Seal Poly Mailers 500/Case

PN: B879

14 x 17 in 2.5 Mil Polyethylene 500 PER CASE
$118.90 / CASE
9.75x12.25 White Chipboard Self-Seal Mailers 100/Case RM5SS - alias listing
Envelopes & Mailers
9.75x12.25 White Chipboard Self-Seal Mailers 100/Case RM5SS

PN: RM5SS

9 3/4 x 12 1/4 in .020 Chipboard 100 PER CASE
$60.53 / CASE
Professional white stayflat mailers featuring rigid .028 chipboard construction and secure tab lock closure. Ideal for e-commerce brands shipping photos, documents, and flat goods without additional protective padding. 11 x 13.5" format, 100 mailers per case.
Envelopes & Mailers
11x13.5 White Chipboard Tab Lock Stayflats Mailers 100/Case

PN: RM3W

11 x 13 1/2 in .028 Chipboard 100 PER CASE
$59.15 / CASE
Professional-grade white corrugated mailers sized 20" x 16" x 2" with multi-depth scoring for flexible folding. ECT-32-B construction delivers crush resistance and a polished appearance for every shipment. Sold as a convenient 50-pack bundle.
Boxes - Mailers
20x16x2 White Corrugated Mailers 50-Pack

PN: M20162BF

20 x 16 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$182.56 / BUNDLE
Protect sensitive documents and photos with Packrift's 6x8" white self-seal Stayflats Plus mailers. Made from durable .020 chipboard with integrated peel-and-seal closure–no additional stiffeners required. Ship 100 mailers per case at minimal freight cost with lightweight, professional-grade construction.
Envelopes & Mailers
6x8 White Self-Seal Chipboard Stayflats Plus Mailers 100/Case

PN: RM1SS

6 x 8 in .020 Chipboard 100 PER CASE
$41.08 / CASE
13x18 Self-Seal Chipboard Stayflats Mailers 100/Case RM18SS - alias listing
Envelopes & Mailers
13x18 Self-Seal Chipboard Stayflats Mailers 100/Case RM18SS

PN: RM18SS

13 x 18 in .020 Chipboard 100 PER CASE
$114.06 / CASE
Professional white self-seal padded mailers sized 6" x 10" (#0) with expandable fiber padding that absorbs shock during transit. Puncture and moisture resistant with natural rubber adhesive that seals itself–no tape required. Case of 25 mailers ready to ship your products with confidence.
Envelopes & Mailers
6x10 #0 White Self-Seal Padded Mailers 25-Pack

PN: B803WSS25PK

6 x 10 in Fiber Padding 25 PER CASE
$15.96 / CASE
Ship fragile items safely with these 8x4 white bubble mailers featuring a 3/16" high slip bubble lining and peel-and-stick tamper-evident closure. Each case includes 500 mailers ready to protect lightweight products during transit. Professional paper exterior maintains brand appearance.
Envelopes & Mailers
8x4 #000 White Self-Seal Bubble Mailers 500/Case B851WSS

PN: B851WSS

8 x 4 in Paper Exterior/Bubble Lining 500 PER CASE
$100.33 / 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
Packrift's 8.5" x 14.5" white self-seal padded mailers deliver professional protection for e-commerce shipments. Fiber padding absorbs shock while natural rubber adhesive creates a tamper-evident seal–no additional cushioning required. Moisture and puncture-resistant construction ensures contents arrive damage-free.
Envelopes & Mailers
8.5x14.5 #3 White Self-Seal Padded Mailers 100/Case

PN: B806WSS

8.5 x 14.5 in Fiber Padding 100 PER CASE
$74.06 / CASE
Protect your CDs and DVDs with professional-grade white fibreboard mailers featuring self-seal closure and superior crush resistance. Made from 100% recycled paperboard, these 5 1/8" x 5" mailers deliver impressive presentation while safeguarding media during transit. Buy by the case of 100 and reduce per-unit shipping costs.
Boxes - Mailers
5 1/8 x 5 in White Fibreboard CD Mailers 100/Case

PN: MM1145

5 1/8 x 5 in 100% Recycled Paperboard 100 PER CASE
$146.37 / CASE
Ship products with confidence using these 12.5 x 19" white self-seal padded mailers. Fiber padding absorbs shock during handling while the peel-and-seal closure with natural rubber adhesive keeps contents secure. Puncture and moisture resistant–no extra cushioning needed. Sold by the case of 50.
Envelopes & Mailers
12.5x19 #6 White Self-Seal Padded Mailers 50/Case

PN: B810WSS

12 1/2 x 19 in Fiber Padding 50 PER CASE
$61.87 / CASE
Ship flat materials with professional polish using these 7.5x7.5x2 white corrugated mailers. Multi-depth scored design lets you customize fold depth for any product size. ECT-32-B durability ensures crush-resistant protection–50 mailers per bundle.
Boxes - Mailers
7.5x7.5x2 White Corrugated Easy-Fold Mailers 50-Pack

PN: M772BF

7 1/2 x 7 1/2 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$60.52 / BUNDLE
Packrift's 10x13x1.5 expandable Ship-Lite envelopes deliver industrial-grade durability for high-volume shipping operations. Made from 26 lb reinforced paper with mesh poly fibers for 6x strength vs. standard paper mailers. Self-seal closure, moisture-resistant design, sold in cases of 100.
Envelopes & Mailers
10x13x1.5 White Reinforced Expandable Ship-Lite Mailers 100/Case

PN: SLE10131WE

10 x 13 x 1 1/2 in 26 lb. Reinforced Paper 100 PER CASE
$112.67 / CASE
10x10x3 White Corrugated Literature Mailer, 50 Bundle
Boxes - Mailers
10x10x3 White Corrugated Literature Mailers 50/Bundle

PN: MFL10103

10 x 10 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$110.89 / BUNDLE
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