Mailing & Shipping Supplies › Universal › window envelopes

Universal Peel Seal Strip Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box

Universal Peel Seal Strip Catalog Envelope #13 1/2 Square Flap Self-Adhesive Closure 10 x 13 White 100/Box - Peel-off strip protects adhesive from dust for longer shelf life. Remove strip for a clean quick seal upon contact. Keeps contents safe and... more

Universal UNV35267 Kraft Clasp Envelope #97 Square Flap Clasp/Gummed Closure 10 x 13 Brown Kraft 100/Box

Heavyweight Kraft stock.Reinforced eyelet and two prong clasp.Gummed flap. more

1PK UNV42165 Catalog Envelope #12 1/2 Square Flap Gummed Closure 9.5 x 12.5 Brown Kraft 250/Box

Wide gummed flap.; Resists tears and rips.; more

Peel Seal Strip Business Envelope

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side Flap Type: Square Trade Size: 10 Security Tinted: Yes. more

1PK UNV36320 Business Envelope #10 Monarch Flap Gummed Closure 4.13 x 9.5 White 500/Box

Business-weight 24 lb stock.; Wove finish.; Fully gummed flap.; more

Peel Seal Strip Business Envelope 6 3/4 Square Flap Self-Adhesive Closure 3.63 x 6.5 White 100/Box

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side Flap Type: Square Trade Size: 6 3/4 Security Tinted: No. more

Universal Catalog Envelope 24 lb Bond Weight Kraft #1 Square Flap Gummed Closure 6 x 9 Brown Kraft 500/Box

Catalog Envelope 24 lb Bond Weight Kraft #1 Square Flap Gummed Closure 6 x 9 Brown Kraft 500/Box 24 lb Bond Weight Kraft #1 Square Flap Gummed Closure 6 x 9 Brown Kraft 500/Box Wide gummed flap.Resists tears and rips. more

Universal Business Envelope #10 Monarch Flap Gummed Closure 4.13 x 9.5 White 250/Carton (36319)

Business-weight 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal. Open-Side Horizontal Orientation. Seam Type: Diagonal; Flap Type: Monarch; Trade Size: #10; Security... more

Universal Open-Side Business Envelope #10 Monarch Flap Gummed Closure 4.13 x 9.5 White 250/Carton | Order of 1 Box

This is an order of 1 Box250 per BoxBusiness-weight 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal. Open-Side Horizontal Orientation. Seam Type: Diagonal; Flap Type:... more

Universal Pull & Seal Catalog Envelope- 9 x 12- White- 100-Box

Peel-off strip protects adhesive from dust for longer shelf life. Remove strip for a clean quick seal upon contact. Keeps contents safe and secure. Envelope Size: 9 x 12; Envelope/Mailer Type: Catalog/Clasp; Closure: Self-Adhesive.- SKU: AZERTY15792 more

Deluxe Tyvek Envelopes 15 Squa Flap Self-Adhesive Closure 10 x 15 White 100/Box

Sturdy Tyvek material resists moisture punctures and tears. This lightweight envelope helps reduce shipping costs. Has a smooth design that offers a professional image. Seam Type: Center Flap Type: Square Trade Size: 15 Security Tinted: No. more

Universal UNV35290 Self-Stick Open-End Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 Brown

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

Universal Catalog Envelope Side Seam 6 x 9 Light Brown 500/Box

Catalog EnvelopeWide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. Envelope Size: 6 x 9; Envelope/Mailer Type: Catalog/Clasp Mixed Colors; Closure: Gummed Flap. Global Product Type:... more

Kraft Clasp Envelope #98 Square Flap Clasp/gummed Closure 10 X 15 Brown Kraft 100/box | Bundle of 2 Boxes

Durable heavyweight Kraft stock resists rips and tears. Reinforced eyelet and two prong clasp stands up to regular use. Gummed flap delivers a secure seal. Seam Type: Center; Flap Type: Square; Trade Size: #98; Security Tinted: No. This is a bundle... more

Universal Peel Seal Strip Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box

Universal Peel Seal Strip Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 100/Box - Peel-off strip protects adhesive from dust for longer shelf life. Remove strip for a clean quick seal upon contact. Keeps contents safe and secure. more

Universal-1PK Catalog Envelope 28 Lb Bond Weight Kraft #90 Square Flap Clasp/Gummed Closure 9 X 12 Brown Kra

Wide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. more

Peel Seal Strip Business Envelope 10 Square Flap Self-Adhesive Closure 4.13 x 9.5 White 500/Box

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side Flap Type: Square Trade Size: 10 Security Tinted: No. more

Peel Seal Strip Business Envelope #A9 Square Flap Self-Adhesive Closure 5.74 x 8.75 White 100/Box | Bundle of 10 Boxes

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side; Flap Type: Square; Trade Size: #A9; Security Tinted: No. This is a bundle of 10 Boxes... more

Peel Seal Strip Business Envelope #A9 Square Flap Self-Adhesive Closure 5.74 x 8.75 White 100/Box | Bundle of 2 Boxes

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side; Flap Type: Square; Trade Size: #A9; Security Tinted: No. This is a bundle of 2 Boxes... more

EasyClose Catalog Envelope #10 1/2 Square Flap Self-Adhesive Closure 9 x 12 White 250/Box | Bundle of 10 Boxes

EasyClose seal just remove liner and press down. No moisture needed. Resists tears and rips. Seam Type: Center; Flap Type: Square; Trade Size: #10 1/2; Security Tinted: No. This is a bundle of 10 Boxes 250 per Box more

1PC Universal Open-Side Business Envelope #6 3/4 Square Flap Gummed Closure 3.63 x 6.5 White 500/Box

1PC Universal Open-Side Business Envelope #6 3/4 Square Flap Gummed Closure 3.63 x 6.5 White 500/Box Business-weight 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal.... more

1PC Universal Open-End Business Envelope #6 3/4 Square Flap Gummed Closure 3.06 x 6.6 White 125/Box

1PC Universal Open-End Business Envelope #6 3/4 Square Flap Gummed Closure 3.06 x 6.6 White 125/Box Business-weight 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal.... more

Kraft Coin Envelope #1 2 1/4 x 3 1/2 Light Brown 500/Box 35300

UNIVERSAL Kraft Coin Envelope #1 2 1/4 x 3 1/2 Light Brown 500/Box 35300 - Sold as 500/Box This is the ideal small envelope for coins and other valuables. Deeply gummed flap provides a secure seal. Sturdy stock ensures extra protection. Envelope/Mailer... more

Universal UNV19003 10 X 13 Tyvek Expansion Envelope - White (100/Box)

Ideal for mailing bulky items. Excellent alternative to heavy boxes Superior protection more

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

Business Envelope #10 Commercial Flap Gummed Closure 4.25 X 9.63 White 125/box | Bundle of 5 Boxes

Business-weight 24 lb stock gives this envelope a professional feel. Wove finish provides a crisp appearance. Fully gummed flap ensures a secure seal. Seam Type: Side; Flap Type: Commercial; Trade Size: #10; Security Tinted: No. This is a bundle or of... more

Kraft Coin Envelope #7 Round Flap Gummed Closure 3.5 X 6.5 Light Brown Kraft 500/box | Bundle of 10 Boxes

This is the ideal small envelope for coins and other valuables. Deeply gummed flap provides a secure seal. Sturdy stock ensures extra protection. Seam Type: Center; Flap Type: Round; Trade Size: #7; Security Tinted: No. This is a bundle of 10 Boxes 500... more

Universal Peel Seal Strip Business Envelope #9 Square Flap Self-Adhesive Closure 3.88 x 8.88 White 500/Box

No moisture needed for these envelopes. Simply peel back the strip and fold the flap to close. Peel seal strip feature makes large mailings easier. Seam Type: Side; Flap Type: Square; Trade Size: #9; Security Tinted: No. Features No moisture needed for... more

1PK UNV44165 Catalog Envelope #13 1/2 Squ Flap Gummed Closure 10 x 13 Brown Kraft 250/Box

Wide gummed flap.; Resists tears and rips.; more

1PC Universal Catalog Envelope 28 lb Bond Weight Kraft #1 Square Flap Gummed Closure 6 x 9 Brown Kraft 100/Box

1PC Universal Catalog Envelope 28 lb Bond Weight Kraft #1 Square Flap Gummed Closure 6 x 9 Brown Kraft 100/Box Wide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. 28 lb Bond Weight Kraft Stock. Seam Type: Center;... more

Kraft Clasp Envelope #12 1/2 Square Flap Clasp/gummed Closure 9.5 X 12.5 Brown Kraft 100/box | Bundle of 2 Boxes

Durable heavyweight Kraft stock resists rips and tears. Reinforced eyelet and two prong clasp stands up to regular use. Gummed flap delivers a secure seal. Seam Type: Center; Flap Type: Square; Trade Size: #12 1/2; Security Tinted: No. This is a bundle... more

Envelope Moistener with Adhesive 2.2 oz Bottle Clear

Stick it to em with a quick-drying water-based adhesive that seals envelopes and most paper-based items. Each bottle can secure more than 1500 envelopes. Easy flow non-clogging applicator makes application quick and simple. Dries fast and clear. Also... more

Kraft Clasp Envelope #55 Square Clasp/gummed Closure 6 X 9 Brown Kraft 100/box | Bundle of 2 Boxes

Durable heavyweight Kraft stock resists rips and tears. Reinforced eyelet and two prong clasp stands up to regular use. Gummed flap delivers a secure seal. Seam Type: Center; Flap Type: Square; Trade Size: #55; Security Tinted: No. This is a bundle... more

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

Kraft Clasp Envelope #110 Square Flap Clasp/Gummed Closure 12 x 15.5 Brown Kraft 100/Box

Durable heavyweight Kraft stock resists rips and tears. Reinforced eyelet and two prong clasp stands up to regular use. Gummed flap delivers a secure seal. Seam Type: Center; Flap Type: Square; Trade Size: #110; Security Tinted: No. more

Universal Catalog Envelope #1 Cheese Blade Flap Gummed Closure 6 x 9 Brown Kraft 500/Box -UNV40105

Wide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. more

Kraft Coin Envelope #7 Round Flap Gummed Closure 3.5 x 6.5 Light Brown Kraft 500/Box

This is the ideal small envelope for coins and other valuables. Deeply gummed flap provides a secure seal. Sturdy stock ensures extra protection. Seam Type: Center; Flap Type: Round; Trade Size: #7; Security Tinted: No. more

1PK UNV35268 Kraft Clasp Envelope #98 Square Flap Clasp/Gummed Closure 10 x 15 Brown Kraft 100/Box

Heavyweight Kraft stock.; Reinforced eyelet and two prong clasp.; Gummed flap.; more