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Protect high-value shipments with these 22x27" white self-seal stayflat mailers featuring 0.028" chipboard construction that requires no additional stiffeners. The peel-and-seal closure with pull-tab tear strip delivers fast, secure sealing for e-commerce brands managing high-volume shipping. Sold by the case of 50.
Envelopes & Mailers
22x27 White Self-Seal Chipboard Stayflats Plus Mailers 50/Case

PN: RM27SS

22 x 27 in 0.028 Chipboard 50 PER CASE
$141.87 / CASE
Heavy-duty 11x13.5" kraft self-seal Stayflats Plus® mailers deliver professional protection for e-commerce shipments without added stiffeners. Pre-scored .028 chipboard with peel-and-seal closure stays flat and resists puncture. Case of 100 reduces postage costs while maintaining brand presentation.
Envelopes & Mailers
11x13.5 Kraft Self-Seal Stayflats Plus Mailers 100/Case

PN: RM3K

11 x 13 1/2 in .028 Chipboard 100 PER CASE
$65.52 / 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
Protect high-value shipments with 18 x 13" kraft stayflat mailers engineered for e-commerce brands. .036 chipboard construction with tab lock closure delivers puncture resistance without added stiffeners. Lightweight design reduces postage costs–100 mailers per case.
Envelopes & Mailers
18x13 Kraft Chipboard Tab Lock Stayflats Mailers 100/Case

PN: RM6

18 x 13 in .036 Chipboard 100 PER CASE
$73.71 / CASE
15x12.5x1 White Stayflats Gusseted Mailers
Envelopes & Mailers
15x12.5x1 White Stayflats Gusseted Mailers

PN: RM3G

12.5 x 15 x 1 in
$135.49 / CASE
Protect photos, documents, and merchandise with Packrift's 9x11.5" white Stayflats chipboard mailers. Built from .028 chipboard with reliable tab lock closure, these hard mailers require no additional stiffeners and ship lightweight to reduce postage costs. Case of 100.
Envelopes & Mailers
9x11.5 White Chipboard Tab Lock Stayflats Mailers 100/Case

PN: RM2W

9 x 11 1/2 in .028 Chipboard 100 PER CASE
$48.23 / CASE
Industry-standard 9.5x12.5" white chipboard express mailers with reliable peel-and-seal closure and pull-tab tear strip. Lightweight .012 chipboard construction requires no additional stiffeners, reducing postage costs while maintaining puncture resistance. Sold by the case of 250 units.
Envelopes & Mailers
9.5x12.5 White Self-Seal Chipboard Stayflats Mailers 250/Case

PN: RM1EP

9 1/2 x 12.5 in .012 Chipboard 250 PER CASE
$124.42 / CASE
Professional white self-seal stayflat mailers featuring .018 chipboard construction with pressure-sensitive closure and convenient tear strip. These lightweight, eco-friendly flat mailers from Packrift are ideal for e-commerce brands shipping documents, photographs, and promotional items. Case of 200 units.
Envelopes & Mailers
14x12 White Self-Seal Chipboard Stayflats Lite Mailers 200/Case

PN: RMU1411W

14 x 12 in .018 Chipboard 200 PER CASE
$156.60 / CASE
9.5x12.5 White Self-Seal Chipboard Stayflats Mailers 250/Case RM1EP - alias listing
Envelopes & Mailers
9.5x12.5 White Self-Seal Chipboard Stayflats Mailers 250/Case RM1EP

PN: RM1EP

9 1/2 x 12.5 in .012 Chipboard 250 PER CASE
$124.42 / CASE
Premium 13x18" white self-seal chipboard mailers designed for e-commerce brands shipping documents, photos, and light merchandise. .020 chipboard construction provides puncture resistance and professional presentation without additional stiffeners. Peel-and-seal closure with pull-tab tear strip–ship 100 per case.
Envelopes & Mailers
13x18 Self-Seal Chipboard Stayflats Mailers 100/Case

PN: RM18SS

13 x 18 in .020 Chipboard 100 PER CASE
$114.06 / CASE
Protect your shipments with these professional-grade 8x6" kraft stayflat mailers featuring a secure tab lock closure. Made from .036 chipboard, they require no additional stiffeners and keep postage costs low while ensuring documents and photos arrive damage-free. Order by the case (100 units) for e-commerce shipping confidence.
Envelopes & Mailers
8x6 Kraft Chipboard Tab Lock Stayflats Mailers 100/Case

PN: RM1

8 x 6 in .036 Chipboard 100 PER CASE
$29.12 / CASE
14x12 White Self-Seal Chipboard Stayflats Lite Mailers 200/Case RMU1411W - alias listing
Envelopes & Mailers
14x12 White Self-Seal Chipboard Stayflats Lite Mailers 200/Case RMU1411W

PN: RMU1411W

14 x 12 in .018 Chipboard 200 PER CASE
$156.60 / CASE
17x14x1 White Stayflats Gusseted Mailers
Envelopes & Mailers
17x14x1 White Stayflats Gusseted Mailers

PN: RM4G

14 x 17 x 1 in
$185.47 / CASE
18x24 White Self-Seal Chipboard Stayflats Plus Mailers 50/Case RM11PS - alias listing
Envelopes & Mailers
18x24 White Self-Seal Chipboard Stayflats Plus Mailers 50/Case RM11PS

PN: RM11PS

18 x 24 in .020 Chipboard 50 PER CASE
$106.76 / CASE
Protect high-value shipments with professional-grade 13x18 white stayflat mailers. Engineered from .028 chipboard with tab lock closure for guaranteed security–no additional stiffeners required. Lightweight design reduces postage costs while maintaining rigid protection for documents, photos, and e-commerce merchandise.
Envelopes & Mailers
13x18 White Chipboard Tab Lock Stayflats Mailers 100/Case

PN: RM6W

13 x 18 in .028 Chipboard 100 PER CASE
$80.37 / CASE
Protect documents and photos with these rigid 18 x 24" white chipboard Stayflats mailers featuring secure tab lock closure. Manufactured from .028 chipboard for guaranteed non-bendable performance without added stiffeners. Lightweight design reduces postage costs–case of 50.
Envelopes & Mailers
18x24 White Chipboard Tab Lock Stayflats Mailers 50/Case

PN: RM11W

18 x 24 in .028 Chipboard 50 PER CASE
$107.38 / CASE
Professional-grade 5 1/8" x 5 1/8" white self-seal Stayflats Plus mailers built from sturdy .020 chipboard–no additional stiffeners required. Peel-and-seal closure with easy-tear pull tab strip ensures reliable sealing and effortless opening. Sold as a case of 200 mailers.
Envelopes & Mailers
5 1/8 x 5 1/8 in White Chipboard Self-Seal Stayflats Plus Mailers 200/Case

PN: RM8SS

5 1/8 x 5 1/8 in .020 Chipboard 200 PER CASE
$58.24 / CASE
27x20 Kraft Self-Seal Stayflats Plus Mailers 50/Case RM12PSK - alias listing
Envelopes & Mailers
27x20 Kraft Self-Seal Stayflats Plus Mailers 50/Case RM12PSK

PN: RM12PSK

27 x 20 in .028 Chipboard 50 PER CASE
$129.58 / CASE
27x20 White Chipboard Tab Lock Stayflats Mailers 50/Case RM12SFW - alias listing
Envelopes & Mailers
27x20 White Chipboard Tab Lock Stayflats Mailers 50/Case RM12SFW

PN: RM12SFW

27 x 20 in .028 Chipboard 50 PER CASE
$119.21 / 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 Self-Seal Chipboard Stayflats Plus Mailers 50/Case

PN: RM11PS

18 x 24 in .020 Chipboard 50 PER CASE
$106.76 / CASE
Ship photos, documents, and sensitive items with confidence using these 17x21" white self-seal stayflat mailers. Made from rigid .020 chipboard that requires no additional stiffeners, these peel-and-seal mailers offer professional protection at lightweight cost savings. 100 mailers per case with pull-tab tear strip for effortless opening.
Envelopes & Mailers
17x21 White Self-Seal Chipboard Stayflats Plus Mailers 100/Case

PN: RM7PS

17 x 21 in .020 Chipboard 100 PER CASE
$145.24 / CASE
Professional-grade 27x20" white Stayflats mailers featuring rigid .028 chipboard construction and secure tab lock closure. Protect photos, documents, and prints without additional stiffeners. Ships case of 50–lightweight design keeps postage costs down.
Envelopes & Mailers
27x20 White Chipboard Tab Lock Stayflats Mailers 50/Case

PN: RM12SFW

27 x 20 in .028 Chipboard 50 PER CASE
$119.21 / 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
17x14x1 White Stayflats Gusseted Mailers RM4G - alias listing
Envelopes & Mailers
17x14x1 White Stayflats Gusseted Mailers RM4G

PN: RM4G

14 x 17 x 1 in
$185.47 / CASE
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