Collection: Envelopes

Discover premium-quality envelopes at SupplyEdge, designed to meet all your office and school supply needs with style and reliability. Whether for important documents or everyday correspondence, our collection offers durable, practical options that combine professional appeal with everyday convenience. Elevate your organization and communication effortlessly with envelopes that balance functionality and a polished look, making them essential for any workspace or study environment.

Heavy Duty Packing Tape for Moving Boxes - 1.88" x 360Yds (6 Rolls) Clear Moving Tape for Boxes, Secure Sealing for Cardboard, Bubble Wrap, Shipping Supplies (36, 36Rolls with 2 Metal Dispensers)

Heavy Duty Packing Tape for Moving Boxes - 1.88" x 360Yds (6 Rolls) Clear Moving Tape for Boxes, Secure Sealing for Cardboard, Bubble Wrap, Shipping Supplies (36, 36Rolls with 2 Metal Dispensers)

Regular price $83.98 USD

Regular price $83.98 USD Sale price
Unit price per
PSBM Rigid Mailers, 13x18 Inch, 100 Pack, Kraft Brown Cardboard Shipping Envelopes for Photo & Document, Self Seal

PSBM Rigid Mailers, 13x18 Inch, 100 Pack, Kraft Brown Cardboard Shipping Envelopes for Photo & Document, Self Seal

Regular price $159.75 USD

Regular price $159.75 USD Sale price
Unit price per
2" x 24" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 24" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $39.36 USD

Regular price $39.36 USD Sale price
Unit price per
Juvale Flat Cardboard Art Mailers - 13 x 18 In, Brown, Pack of 25, 450 GSM - Poster Flat Mailers for Photos, Documents & CDs

Juvale Flat Cardboard Art Mailers - 13 x 18 In, Brown, Pack of 25, 450 GSM - Poster Flat Mailers for Photos, Documents & CDs

Regular price $64.36 USD

Regular price $64.36 USD Sale price
Unit price per
2" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

2" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

Regular price $196.25 USD

Regular price $196.25 USD Sale price
Unit price per
Blue Summit 50 Large Mailing Envelopes 13x18, White 13 x 18 Envelopes, Self Seal Catalog, Security Tinted for Mailing

Blue Summit 50 Large Mailing Envelopes 13x18, White 13 x 18 Envelopes, Self Seal Catalog, Security Tinted for Mailing

Regular price $52.90 USD

Regular price $52.90 USD Sale price
Unit price per
2" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing of Posters, Prints, Artwork, or Documents

2" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing of Posters, Prints, Artwork, or Documents

Regular price $70.08 USD

Regular price $70.08 USD Sale price
Unit price per
Blue Summit Catalog Envelopes, 10 x 13 Peel & Seal Envelopes, White Wove with Center Seam, 100 Envelopes

Blue Summit Catalog Envelopes, 10 x 13 Peel & Seal Envelopes, White Wove with Center Seam, 100 Envelopes

Regular price $33.58 USD

Regular price $33.58 USD Sale price
Unit price per
100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)

100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)

Regular price $35.26 USD

Regular price $35.26 USD Sale price
Unit price per
2" x 12" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 12" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $23.88 USD

Regular price $23.88 USD Sale price
Unit price per
Blue Summit 50 10x15 Envelopes - 28lb - 10 x 15 Envelopes - Security Tinted, Design For Mailing Legal Size Paper, White Self Seal, 50 Pack

Blue Summit 50 10x15 Envelopes - 28lb - 10 x 15 Envelopes - Security Tinted, Design For Mailing Legal Size Paper, White Self Seal, 50 Pack

Regular price $38.62 USD

Regular price $38.62 USD Sale price
Unit price per
2" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

2" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

Regular price $40.88 USD

Regular price $40.88 USD Sale price
Unit price per
250 6 X 9 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds Small Booklets, Catalogs, Cards, or Brochures with Strong Peel and Seal Flap, 250 Envelopes

250 6 X 9 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds Small Booklets, Catalogs, Cards, or Brochures with Strong Peel and Seal Flap, 250 Envelopes

Regular price $52.06 USD

Regular price $52.06 USD Sale price
Unit price per
2" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $66.92 USD

Regular price $66.92 USD Sale price
Unit price per
Blue Summit 50 Large Envelopes 12x15, Large Mailing Envelopes 12x15 for Documents, Self Seal 12x15.5, Thick 28lb Paper, 50 White Mailers

Blue Summit 50 Large Envelopes 12x15, Large Mailing Envelopes 12x15 for Documents, Self Seal 12x15.5, Thick 28lb Paper, 50 White Mailers

Regular price $39.46 USD

Regular price $39.46 USD Sale price
Unit price per
Blue Summit 11x14 Envelopes, 50 Large Envelopes 11 x 14, White for Big Documents 11.5 x 14.5, Security Tinted, Legal Size for Mailing Photos and Documents, Self Seal

Blue Summit 11x14 Envelopes, 50 Large Envelopes 11 x 14, White for Big Documents 11.5 x 14.5, Security Tinted, Legal Size for Mailing Photos and Documents, Self Seal

Regular price $43.66 USD

Regular price $43.66 USD Sale price
Unit price per

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Collection: Envelopes

Heavy Duty Packing Tape for Moving Boxes - 1.88" x 360Yds (6 Rolls) Clear Moving Tape for Boxes, Secure Sealing for Cardboard, Bubble Wrap, Shipping Supplies (36, 36Rolls with 2 Metal Dispensers)

Heavy Duty Packing Tape for Moving Boxes - 1.88" x 360Yds (6 Rolls) Clear Moving Tape for Boxes, Secure Sealing for Cardboard, Bubble Wrap, Shipping Supplies (36, 36Rolls with 2 Metal Dispensers)

PSBM Rigid Mailers, 13x18 Inch, 100 Pack, Kraft Brown Cardboard Shipping Envelopes for Photo & Document, Self Seal

PSBM Rigid Mailers, 13x18 Inch, 100 Pack, Kraft Brown Cardboard Shipping Envelopes for Photo & Document, Self Seal

2" x 24" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 24" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Juvale Flat Cardboard Art Mailers - 13 x 18 In, Brown, Pack of 25, 450 GSM - Poster Flat Mailers for Photos, Documents & CDs

Juvale Flat Cardboard Art Mailers - 13 x 18 In, Brown, Pack of 25, 450 GSM - Poster Flat Mailers for Photos, Documents & CDs

2" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

2" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

Blue Summit 50 Large Mailing Envelopes 13x18, White 13 x 18 Envelopes, Self Seal Catalog, Security Tinted for Mailing

Blue Summit 50 Large Mailing Envelopes 13x18, White 13 x 18 Envelopes, Self Seal Catalog, Security Tinted for Mailing

2" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing of Posters, Prints, Artwork, or Documents

2" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing of Posters, Prints, Artwork, or Documents

Blue Summit Catalog Envelopes, 10 x 13 Peel & Seal Envelopes, White Wove with Center Seam, 100 Envelopes

Blue Summit Catalog Envelopes, 10 x 13 Peel & Seal Envelopes, White Wove with Center Seam, 100 Envelopes

100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)

100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)

2" x 12" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 12" Reinforced Kraft Paper Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Blue Summit 50 10x15 Envelopes - 28lb - 10 x 15 Envelopes - Security Tinted, Design For Mailing Legal Size Paper, White Self Seal, 50 Pack

Blue Summit 50 10x15 Envelopes - 28lb - 10 x 15 Envelopes - Security Tinted, Design For Mailing Legal Size Paper, White Self Seal, 50 Pack

2" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

2" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 1 Tube with 2 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

250 6 X 9 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds Small Booklets, Catalogs, Cards, or Brochures with Strong Peel and Seal Flap, 250 Envelopes

250 6 X 9 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds Small Booklets, Catalogs, Cards, or Brochures with Strong Peel and Seal Flap, 250 Envelopes

2" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 6 Tubes with 12 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Blue Summit 50 Large Envelopes 12x15, Large Mailing Envelopes 12x15 for Documents, Self Seal 12x15.5, Thick 28lb Paper, 50 White Mailers

Blue Summit 50 Large Envelopes 12x15, Large Mailing Envelopes 12x15 for Documents, Self Seal 12x15.5, Thick 28lb Paper, 50 White Mailers

Blue Summit 11x14 Envelopes, 50 Large Envelopes 11 x 14, White for Big Documents 11.5 x 14.5, Security Tinted, Legal Size for Mailing Photos and Documents, Self Seal

Blue Summit 11x14 Envelopes, 50 Large Envelopes 11 x 14, White for Big Documents 11.5 x 14.5, Security Tinted, Legal Size for Mailing Photos and Documents, Self Seal

Collection: Envelopes

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