Expansion & Jumbo Envelopes - Extreame Savings! Save up to 47%


Extreame Savings! Up to 47% off on Expansion & Jumbo Envelopes at KBFS. Top brands include Quality Park, MotivationUSA, 5COU, MOT3, MOT, Universal, 4COU, zoohot, & Mead. Hurry! Limited time offers. Offers valid only while supplies last.



Quality Park Tyvek Open Side Expansion Envelopes, 10 x 15, White, 100 per Carton (R4630)
Quality Park Tyvek Open Side Expansion Envelopes, 10 x 15, White, 100 per Carton (R4630)
By Quality Park
In Stock
$199.00
$105.71
You Save: 47%

mpn: QUAR4630, ean: 0806792129208,

4.4 out of 5 stars with 126 reviews
Lightweight Tyvek with side openings allows for easier insertion of contents. Tear and moisture resistant. Convenient Flap-Stik closure.Strong yet lightweight DuPont Tyvek. Side opening allows easier insertion of contents. Tear and moisture resistant.. Convenient Flap-Stik closure requires no moisture to seal.. Expansion envelope of up to two inches.


Quality Park S3610 Quality Park Ship-Lite Envelopes, Self-Seal, 9x12, White, 9x12, 100/Box
Quality Park S3610 Quality Park Ship-Lite Envelopes, Self-Seal, 9x12, White, 9x12, 100/Box
By Quality Park
In Stock
$49.49
$32.70
You Save: 34%

mpn: S3610, ean: 0640206398657,

4.2 out of 5 stars with 119 reviews
Reinforced multi-layered material has superior strength and durability vs. traditional paper, yet is lightweight for postage savings. Moisture resistant—protects enclosures from spills or inclement weather. Features an easy to use self-seal Flap-Stik® closure.White envelope features a Flap-Stik® self-adhesive closure.. Reinforced, multi-layered, lightweight material.. Moisture-resistant.. Flap-Stik® closure..


* Double Window Tax Form Envelope for W-2 Laser Forms, 9x5-5/8, 50/Pack
* Double Window Tax Form Envelope for W-2 Laser Forms, 9x5-5/8, 50/Pack
By MotivationUSA
In Stock
$22.69
4.3 out of 5 stars with 41 reviews
* Double window design displays both employer and employee name and address. Security tinting ensures contents remain confidential. Envelope Size: 9 x 5 5/8; Envelope/Mailer Type: Tax and Business Form; Closure: Gummed Flap..


Survivor R4210 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
Survivor R4210 Tyvek Expansion Mailer, First Class, 10 x 13 x 1 1/2, White, 18lb (Case of 100)
By Quality Park
In Stock
$139.00
$89.38
You Save: 36%

mpn: R4210, ean: 0801593327747,

4.0 out of 5 stars with 26 reviews
Superior protection for bulky items. Durable envelope resists punctures, tears and moisture. Expands on sides to fit binders, books, reports. Use instead of cartons or boxes. Lightweight envelope saves on postage. Clean, bright white color presents a professional image.Tyvek® white expansion envelope features a Flap-Stik® self-adhesive closure.. Use for bulky items.. Resists punctures, tears and moisture.. Expands on sides to fit binders, books, reports.. Use instead of cartons or boxes..


** Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
** Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
By 5COU
In Stock
$60.18
$51.81
You Save: 14%
4.0 out of 5 stars with 29 reviews
** Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 10 x 13; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.*****.


-- Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
-- Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
By MOT3
In Stock
$51.81
4.4 out of 5 stars with 11 reviews
--- Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 10 x 13; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.***.


* Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
* Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
By MotivationUSA
In Stock
$50.86
4.4 out of 5 stars with 105 reviews
* Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 9 x 12; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.**.


* Gift Certificates w/Envelopes, 8-1/2w x 3-2/3h, Blue/Gold, 25/Pack
* Gift Certificates w/Envelopes, 8-1/2w x 3-2/3h, Blue/Gold, 25/Pack
By MotivationUSA
In Stock
$11.00
4.9 out of 5 stars with 61 reviews
* These gift certificates don't simply look great, they're also designed for close record-keeping. The two-part carbonless forms feature a designer background, signature line and consecutive numbering for security. Blue printing on yellow/gold background. Quality white weave envelopes. Theme: Gift; Shape: Rectangular; Width: 8 1/2''.**.


** Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 25/Box
** Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 25/Box
By 5COU
In Stock
$61.93
$54.09
You Save: 13%
4.1 out of 5 stars with 22 reviews
** Moisture- and rip-resistant Tyvek® mailer delivers heavyweight protection. Expandable design is ideal for shipping bulky contents like books, binders and reports. Flap-Stik® closure provides a secure, peel-and-press seal. Envelope Size: 10 x 13; Envelope/Mailer Type: Expansion Mailer; Closure: Self-Adhesive.*****.


Survivor R4611 Tyvek Expansion Mailer, 10 x 13 x 2, White, 25/Box
Survivor R4611 Tyvek Expansion Mailer, 10 x 13 x 2, White, 25/Box
By MOT
In Stock
$38.12

mpn: QUAR4611, ean: 0638084798249,

4.4 out of 5 stars with 20 reviews
Moisture- and rip-resistant mailer made of DuPontTM Tyvek delivers heavyweight protection. Expandable design is ideal for shipping bulky contents like books, binders and reports. Flap-Stik closure provides a secure, peel-and-press seal.SOLD AS 25/PK.. Moisture- and rip-resistant.. Ideal for bulky contents..


-- Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
-- Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
By MOT3
In Stock
$50.86

mpn: 43160-285104,

4.7 out of 5 stars with 15 reviews
--- Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 9 x 12; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.***.


** Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
** Redi-Strip Kraft Expansion Envelope, Side Seam, 9 x 12 x 2, Brown, 25/Pack
By 5COU
In Stock
$50.86
4.0 out of 5 stars with 75 reviews
** Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 9 x 12; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.*****.


UNV19003 - Universal Tyvek Expansion Envelope
UNV19003 - Universal Tyvek Expansion Envelope
By Universal
In Stock
$73.69
$69.21
You Save: 6%

mpn: UNV19003, ean: 0087547190036,

4.5 out of 5 stars with 58 reviews
Ideal for mailing bulky items and materials. Excellent alternative to heavy boxes and cartons. Superior water-, chemical-, moisture-, burst-, tear- and puncture-resistant protection. Envelope Size: 10 x 13 Envelope/Mailer Type: Expansion Mailer Closure: Self-Sealing Adhesive Seam Type: Center.Envelope_Size - 10 x 13. Envelope/mailer_Type - Expansion Mailer. Closure - Self-Sealing Adhesive. Seam_Type - Center.


* Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 25/Box
* Tyvek Expansion Mailer, 10 x 13 x 1 1/2, White, 25/Box
By MotivationUSA
In Stock
$54.09
4.9 out of 5 stars with 110 reviews
* Featherweight, moisture and rip resistant Tyvek mailer delivers heavyweight protection. Expandable design is ideal for shipping bulky contents like books, binders and reports. Flap-Stik closure provides a secure, peel-and-press seal. Bright white appearance makes a professional impression. Envelope Size: 10 x 13; Envelope/Mailer Type: Expansion Mailer; Closure: Self-Adhesive..


* Tyvek Mailer, Side Seam, 12 x 15 1/2, White, 100/Box
* Tyvek Mailer, Side Seam, 12 x 15 1/2, White, 100/Box
By MotivationUSA
In Stock
$85.04
4.6 out of 5 stars with 66 reviews
* Lightweight, moisture- and rip-resistant mailers made of DuPontTM Tyvek® help to reduce shipping costs. Clean, crisp look conveys a professional image. Flap-Stik® peel-and-press flap seals securely. Envelope Size: 12 x 15 1/2; Envelope/Mailer Type: Catalog; Closure: Self-Adhesive; Trade Size: #110.**.


Tyvek Mailer, Side Seam, 9 1/2 x 12 1/2, White, 100/Box
Tyvek Mailer, Side Seam, 9 1/2 x 12 1/2, White, 100/Box
By 4COU
In Stock
$84.75
$76.31
You Save: 10%
4.9 out of 5 stars with 141 reviews
** Lightweight, moisture- and rip-resistant DuPontTM Tyvek® mailer helps to reduce shipping costs. Clean, crisp look conveys a professional image. Flap-Stik® peel-and-press flap seals securely. Envelope Size: 9 1/2 x 12 1/2; Envelope/Mailer Type: Catalog; Closure: Self-Adhesive **.


* Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
* Redi-Strip Kraft Expansion Envelope, Side Seam, 10 x 13 x 2, Brown, 25/Pack
By MotivationUSA
In Stock
$60.18
$51.81
You Save: 14%
4.1 out of 5 stars with 73 reviews
* Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-StripTM closure delivers peel-and-press convenience. Envelope Size: 10 x 13; Envelope/Mailer Type: Expandable Catalog; Closure: Self-Adhesive.**.


Zoohot folder with pockets,DELI Premium Quality Poly Clear Document envelopes with Snap Button, US Letter or A4 Size,Water/tear Resistant, Pack of 10,White
Zoohot folder with pockets,DELI Premium Quality Poly Clear Document envelopes with Snap Button, US Letter or A4 Size,Water/tear Resistant, Pack of 10,White
By zoohot
In Stock
$12.71

mpn: 31691, ean: 0754970815422,

4.3 out of 5 stars with 125 reviews
ZOOHOT,13''x9.3'' inches, Letter/A4 Size, Translucent colored envelope.Creative design ,its successfully absorb the excellent domestic and international culture tradition. top materials and exquisite craftsmanship , it stands for the excellent quality.This organizer is the best way to keep your important documents, certificates, bills or files organized , receipts, coupons, checks, notes, cards, or anything else organized.Lightweight and portable.Pack of 10,Large capacity, lightweight and


* Double Window Tax Form Envelope/W-2 Laser Forms,9x5-5/8,50/Pack
* Double Window Tax Form Envelope/W-2 Laser Forms,9x5-5/8,50/Pack
By MotivationUSA
In Stock
$64.18
$56.40
You Save: 12%
4.9 out of 5 stars with 10 reviews
* Double window design displays both employer and employee name and address. Security tinting ensures contents remain confidential. Envelope Size: 9 x 5 5/8; Envelope/Mailer Type: Tax and Business Form; Closure: Self-Adhesive..


Mead Heavyweight White Wove 6 X 9 Envelopes - 6 Pack
Mead Heavyweight White Wove 6 X 9 Envelopes - 6 Pack
By Mead
In Stock
$2.19

mpn: B-106, ean: 0043100760450,

4.1 out of 5 stars with 44 reviews
White wove 6 X 9 mailing envelopes.



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