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.

Juvale Stay Flat Mailers - 9 x 11.5 in, Brown, 100-Pack - Thick Document Mailers & Cardboard Envelopes - Peel & Seal Mailing Envelopes for Photos & Magazines

Juvale Stay Flat Mailers - 9 x 11.5 in, Brown, 100-Pack - Thick Document Mailers & Cardboard Envelopes - Peel & Seal Mailing Envelopes for Photos & Magazines

Regular price $108.64 USD

Regular price $108.64 USD Sale price
Unit price per
3" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

3" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $119.39 USD

Regular price $119.39 USD Sale price
Unit price per
20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints

Regular price $63.82 USD

Regular price $63.82 USD Sale price
Unit price per
20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints, White

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints, White

Regular price $60.46 USD

Regular price $60.46 USD Sale price
Unit price per
4" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

4" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $59.20 USD

Regular price $59.20 USD Sale price
Unit price per
9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (10 PCS)

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (10 PCS)

Regular price $31.90 USD

Regular price $31.90 USD Sale price
Unit price per
2" x 60" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 60" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $134.10 USD

Regular price $134.10 USD Sale price
Unit price per
100 Pack 6.5x4.5 inch Rigid Mailer Self Seal Photo Document Mailers, Stay Flat White Cardboard Shipping Envelopes White Photography Mailers for CD, Photos, Document

100 Pack 6.5x4.5 inch Rigid Mailer Self Seal Photo Document Mailers, Stay Flat White Cardboard Shipping Envelopes White Photography Mailers for CD, Photos, Document

Regular price $39.63 USD

Regular price $39.63 USD Sale price
Unit price per
3" x 36" Reinforced Kraft Paper Mailing Tubes, Pack of 4 Tubes with 2 Caps Each – USPS Approved Poster Tube – Made in USA Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

3" x 36" Reinforced Kraft Paper Mailing Tubes, Pack of 4 Tubes with 2 Caps Each – USPS Approved Poster Tube – Made in USA Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $75.52 USD

Regular price $75.52 USD Sale price
Unit price per
25 Pack 12.75x15 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Cardboard Envelopes Kraft Photography Mailers for CD, Photos, Document

25 Pack 12.75x15 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Cardboard Envelopes Kraft Photography Mailers for CD, Photos, Document

Regular price $60.46 USD

Regular price $60.46 USD Sale price
Unit price per
4" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

4" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

Regular price $105.76 USD

Regular price $105.76 USD Sale price
Unit price per
50 Pack 7x9 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document

50 Pack 7x9 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document

Regular price $36.94 USD

Regular price $36.94 USD Sale price
Unit price per
2" x 48" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 48" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Regular price $78.24 USD

Regular price $78.24 USD Sale price
Unit price per
Cheardia 120 Pack Photo Document Mailers, 13 x 9.25 Inch Rigid Mailers with Self Adhesive Seal Stay Flat Cardboard Envelope with Label for CD, Photos, White

Cheardia 120 Pack Photo Document Mailers, 13 x 9.25 Inch Rigid Mailers with Self Adhesive Seal Stay Flat Cardboard Envelope with Label for CD, Photos, White

Regular price $50.38 USD

Regular price $50.38 USD Sale price
Unit price per
4" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

4" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

Regular price $179.66 USD

Regular price $179.66 USD Sale price
Unit price per
9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (25 PCS)

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (25 PCS)

Regular price $45.34 USD

Regular price $45.34 USD Sale price
Unit price per

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Collection: Envelopes

Juvale Stay Flat Mailers - 9 x 11.5 in, Brown, 100-Pack - Thick Document Mailers & Cardboard Envelopes - Peel & Seal Mailing Envelopes for Photos & Magazines

Juvale Stay Flat Mailers - 9 x 11.5 in, Brown, 100-Pack - Thick Document Mailers & Cardboard Envelopes - Peel & Seal Mailing Envelopes for Photos & Magazines

3" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

3" x 72" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints, White

20 Pack 16x20 in Tab Lock Rigid Mailers Extra Large Sturdy Keep Flat Mailers Cardboard Envelopes Kraft Paper 250 Gsm for Shipping Photos, Packing Documents, Gift Cards, Cds, Art Prints, White

4" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

4" x 18" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (10 PCS)

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (10 PCS)

2" x 60" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 60" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

100 Pack 6.5x4.5 inch Rigid Mailer Self Seal Photo Document Mailers, Stay Flat White Cardboard Shipping Envelopes White Photography Mailers for CD, Photos, Document

100 Pack 6.5x4.5 inch Rigid Mailer Self Seal Photo Document Mailers, Stay Flat White Cardboard Shipping Envelopes White Photography Mailers for CD, Photos, Document

3" x 36" Reinforced Kraft Paper Mailing Tubes, Pack of 4 Tubes with 2 Caps Each – USPS Approved Poster Tube – Made in USA Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

3" x 36" Reinforced Kraft Paper Mailing Tubes, Pack of 4 Tubes with 2 Caps Each – USPS Approved Poster Tube – Made in USA Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

25 Pack 12.75x15 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Cardboard Envelopes Kraft Photography Mailers for CD, Photos, Document

25 Pack 12.75x15 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Cardboard Envelopes Kraft Photography Mailers for CD, Photos, Document

4" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

4" x 36" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

50 Pack 7x9 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document

50 Pack 7x9 inch Kraft Rigid Mailer Self Seal Photo Document Mailers, Stay Flat Kraft Cardboard Envelopes Photography Mailers for CD, Photos, Document

2" x 48" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

2" x 48" Reinforced Kraft Paper Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved Poster Tube – Cardboard Tube for Shipping and Storing Posters, Prints, Artwork, or Documents

Cheardia 120 Pack Photo Document Mailers, 13 x 9.25 Inch Rigid Mailers with Self Adhesive Seal Stay Flat Cardboard Envelope with Label for CD, Photos, White

Cheardia 120 Pack Photo Document Mailers, 13 x 9.25 Inch Rigid Mailers with Self Adhesive Seal Stay Flat Cardboard Envelope with Label for CD, Photos, White

4" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

4" x 72" Heavy-Duty Reinforced Cardboard Mailing Tube, Pack of 4 Tubes with 8 Caps – Secure USPS Approved – Great for Shipping and Storing of Prints, Artwork, Posters or Documents

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (25 PCS)

9.4" x 13.2" Expandable Envelopes Large Kraft Envelopes Anti Tear Catalog Envelopes Peel and Seal for Home Office Business Storage and Organizing, Photos, Documents (25 PCS)

Collection: Envelopes

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