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Universal UNV19001 Deluxe Tyvek Square Flap 12 in. x 16 in. #15 1/2 Expansion Envelopes with Self-Adhesive Closure - White (100-Piece/Box)

Universal UNV19001 Deluxe Tyvek Square Flap 12 in. x 16 in. #15 1/2 Expansion Envelopes with Self-Adhesive Closure - White (100-Piece/Box)

Ideal for mailing bulky items and materials. Excellent alternative to heavy boxes and cartons. Superior water- chemical- moisture- burst- tear- and puncture-resistant protection. more

$186.79 $160.33

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Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box (42101)

Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box (42101)

Self-adhesive closure.No moisture needed.Just fold down the flap press and mail. more

$47.16

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Universal Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box (42103)

Universal Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box (42103)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #15 1/2; Security Tinted: No. more

$48.10

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Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box more

$70.85

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1PK UNV42101 Self-Stick Open-End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

1PK UNV42101 Self-Stick Open-End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

Self-adhesive closure.; No moisture needed.; Just fold down the flap press and mail.; more

$40.95

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Natural Self-Seal Cushioned Mailer 2 Barrier Bubble Lining Self-Adhesive Closure 8.5 x 12 Natural Kraft 100/Carton

Natural Self-Seal Cushioned Mailer 2 Barrier Bubble Lining Self-Adhesive Closure 8.5 x 12 Natural Kraft 100/Carton

Barrier Bubble lining retains air better than alternative cushioning materials. Natural Kraft exterior that doesn t require bleaching or dying to create an unnatural color like gold or white. Fully laminated Natural Kraft and air cellular construction... more

$69.41

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Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box | Bundle of 10 Boxes

Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box | Bundle of 10 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle of 10 Boxes 100 per Box more

$182.46

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Universal Self-Stick Open-End Catalog Envelope #10 1/2 Cheese Blade Flap Self-Adhesive Closure 9 x 12 White 100/Box -UNV42101

Universal Self-Stick Open-End Catalog Envelope #10 1/2 Cheese Blade Flap Self-Adhesive Closure 9 x 12 White 100/Box -UNV42101

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. more

$17.23

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Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 X 15.5 White 100/box | Bundle of 2 Boxes

Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 X 15.5 White 100/box | Bundle of 2 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #15 1/2; Security Tinted: No. This is a bundle order of 2 Boxes 100 per Box more

$82.14

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Universal Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Universal Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Universal Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box - Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. more

$59.93

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Universal Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Universal Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. more

$30.39

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1PC Universal Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type:... more

$44.87

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Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 White 100/box | Bundle of 5 Boxes

Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 White 100/box | Bundle of 5 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle or of 5 Boxes 100 per Box more

$101.77 $97.06

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Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No. more

$17.86 $15.79

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Universal Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Universal Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Self-adhesive closure.;No moisture needed.;Just fold down the flap press and mail.; more

$64.29 $59.93

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Universal Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box (42102)

Universal Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box (42102)

Self-adhesive closure.No moisture needed.Just fold down the flap press and mail.Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Envelope/Mailer Type: Catalog/Booklet; Envelope... more

$47.38

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Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 Brown Kraft 100/Box | Bundle of 10 Boxes

Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 Brown Kraft 100/Box | Bundle of 10 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle of 10 Boxes 100 per Box more

$137.30

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Self-Stick Open-End Catalog Envelope 1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

Self-Stick Open-End Catalog Envelope 1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center Flap Type: Square Trade Size: 1 Security Tinted: No. more

$28.87 $22.56

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Self-Stick Open-End Catalog Envelope 15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Self-Stick Open-End Catalog Envelope 15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center Flap Type: Square Trade Size: 15 1/2 Security Tinted: No. more

$34.52

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Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 Brown Kraft 100/box | Bundle of 2 Boxes

Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 Brown Kraft 100/box | Bundle of 2 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle order of 2 Boxes 100 per Box more

$36.64

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Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Self-Stick Open-End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #15 1/2; Security Tinted: No. more

$26.99 $23.45

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Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 Brown Kraft 100/box | Bundle of 5 Boxes

Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 Brown Kraft 100/box | Bundle of 5 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle or of 5 Boxes 100 per Box more

$76.78

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Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. more

$46.25 $30.39

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1PK UNV42100 Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

1PK UNV42100 Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

Self-adhesive closure.; No moisture needed.; Just fold down the flap press and mail.; more

$38.46

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Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box | Bundle of 10 Boxes

Self-Stick Open End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box | Bundle of 10 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No. This is a bundle of 10 Boxes 100 per Box more

$255.49

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Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 White 100/box | Bundle of 2 Boxes

Self-Stick Open-End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 X 9 White 100/box | Bundle of 2 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. This is a bundle order of 2 Boxes 100 per Box more

$47.70

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Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 X 13 White 100/box | Bundle of 5 Boxes

Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 X 13 White 100/box | Bundle of 5 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No. This is a bundle or of 5 Boxes 100 per Box more

$138.15

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Self-Stick Open-End Catalog Envelope 10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

Self-Stick Open-End Catalog Envelope 10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center Flap Type: Square Trade Size: 10 1/2 Security Tinted: No. more

$29.50

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Universal Self-Stick Open-End Catalog Envelope #1 Cheese Blade Flap Self-Adhesive Closure 6 x 9 White 100/Box -UNV42100

Universal Self-Stick Open-End Catalog Envelope #1 Cheese Blade Flap Self-Adhesive Closure 6 x 9 White 100/Box -UNV42100

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. more

$12.94

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Universal Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box (42103)

Universal Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box (42103)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Envelope/Mailer Type: Catalog/Booklet; Envelope Size: 12 x 15 1/2; Closure: Self-Adhesive; Flap Type: Hub. more

$64.45

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Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box | Bundle of 10 Boxes

Self-Stick Open End Catalog Envelope #15 1/2 Square Flap Self-Adhesive Closure 12 x 15.5 White 100/Box | Bundle of 10 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #15 1/2; Security Tinted: No. This is a bundle of 10 Boxes 100 per Box more

$364.77 $312.37

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1PC Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap... more

$40.16

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Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Universal Self-Stick Open End Catalog Envelope #1 Square Flap Self-Adhesive Closure 6 x 9 White 100/Box (42100)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #1; Security Tinted: No. more

$30.39 $28.60

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Self-Stick Open-End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 X 12 White 100/box | Bundle of 2 Boxes

Self-Stick Open-End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 X 12 White 100/box | Bundle of 2 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #10 1/2; Security Tinted: No. This is a bundle order of 2 Boxes 100 per Box more

$55.91

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Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 X 13 White 100/box | Bundle of 2 Boxes

Self-Stick Open-End Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 X 13 White 100/box | Bundle of 2 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No. This is a bundle order of 2 Boxes 100 per Box more

$62.25

FREE shipping

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Natural Self-Seal Cushioned Mailer #2 Barrier Bubble Lining Self-Adhesive Closure 8.5 x 12 Natural Kraft 100/Carton

Natural Self-Seal Cushioned Mailer #2 Barrier Bubble Lining Self-Adhesive Closure 8.5 x 12 Natural Kraft 100/Carton

Ship your items safer with a Barrier Bubble® lining that retains air better than alternative cushioning materials. Constructed with a natural kraft exterior that doesn t require bleaching or dying to create an unnatural color like gold or white. Easy... more

$63.53 $59.35

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Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box | Bundle of 10 Boxes

Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box | Bundle of 10 Boxes

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center; Flap Type: Square; Trade Size: #10 1/2; Security Tinted: No. This is a bundle of 10 Boxes 100 per Box more

$233.62 $212.09

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Self-Stick Open-End Catalog Envelope 13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Self-Stick Open-End Catalog Envelope 13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type: Center Flap Type: Square Trade Size: 13 1/2 Security Tinted: No. more

$29.33

FREE shipping

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Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box (42101)

Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box (42101)

Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Envelope/Mailer Type: Catalog/Booklet; Envelope Size: 9 x 12; Closure: Self-Adhesive; Flap Type: Hub. more

$44.05

FREE shipping

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1PC Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

1PC Universal Self-Stick Open End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box Press and seal permanently to safeguard important documents. No moisture needed. Just fold down the flap press and mail. Seam Type:... more

$41.86

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